20906432800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{33461}}^1$

素因数の和:33563

約数の個数: 144

約数和(自身を含む): 56463511104

約数和(自身を除く): 35557078304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 71, 80, 88, 100, 110, 142, 160, 176, 200, 220, 275, 284, 352, 355, 400, 440, 550, 568, 710, 781, 800, 880, 1100, 1136, 1420, 1562, 1760, 1775, 2200, 2272, 2840, 3124, 3550, 3905, 4400, 5680, 6248, 7100, 7810, 8800, 11360, 12496, 14200, 15620, 19525, 24992, 28400, 31240, 33461, 39050, 56800, 62480, 66922, 78100, 124960, 133844, 156200, 167305, 267688, 312400, 334610, 368071, 535376, 624800, 669220, 736142, 836525, 1070752, 1338440, 1472284, 1673050, 1840355, 2375731, 2676880, 2944568, 3346100, 3680710, 4751462, 5353760, 5889136, 6692200, 7361420, 9201775, 9502924, 11778272, 11878655, 13384400, 14722840, 18403550, 19005848, 23757310, 26133041, 26768800, 29445680, 36807100, 38011696, 47514620, 52266082, 58891360, 59393275, 73614200, 76023392, 95029240, 104532164, 118786550, 130665205, 147228400, 190058480, 209064328, 237573100, 261330410, 294456800, 380116960, 418128656, 475146200, 522660820, 653326025, 836257312, 950292400, 1045321640, 1306652050, 1900584800, 2090643280, 2613304100, 4181286560, 5226608200, 10453216400, 20906432800]

約数ペア:

[(1, 20906432800), (2, 10453216400), (4, 5226608200), (5, 4181286560), (8, 2613304100), (10, 2090643280), (11, 1900584800), (16, 1306652050), (20, 1045321640), (22, 950292400), (25, 836257312), (32, 653326025), (40, 522660820), (44, 475146200), (50, 418128656), (55, 380116960), (71, 294456800), (80, 261330410), (88, 237573100), (100, 209064328), (110, 190058480), (142, 147228400), (160, 130665205), (176, 118786550), (200, 104532164), (220, 95029240), (275, 76023392), (284, 73614200), (352, 59393275), (355, 58891360), (400, 52266082), (440, 47514620), (550, 38011696), (568, 36807100), (710, 29445680), (781, 26768800), (800, 26133041), (880, 23757310), (1100, 19005848), (1136, 18403550), (1420, 14722840), (1562, 13384400), (1760, 11878655), (1775, 11778272), (2200, 9502924), (2272, 9201775), (2840, 7361420), (3124, 6692200), (3550, 5889136), (3905, 5353760), (4400, 4751462), (5680, 3680710), (6248, 3346100), (7100, 2944568), (7810, 2676880), (8800, 2375731), (11360, 1840355), (12496, 1673050), (14200, 1472284), (15620, 1338440), (19525, 1070752), (24992, 836525), (28400, 736142), (31240, 669220), (33461, 624800), (39050, 535376), (56800, 368071), (62480, 334610), (66922, 312400), (78100, 267688), (124960, 167305), (133844, 156200)]