8122400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 23623488

約数和(自身を除く): 15501088

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 71, 80, 88, 100, 104, 110, 130, 142, 143, 160, 176, 200, 208, 220, 260, 275, 284, 286, 325, 352, 355, 400, 416, 440, 520, 550, 568, 572, 650, 710, 715, 781, 800, 880, 923, 1040, 1100, 1136, 1144, 1300, 1420, 1430, 1562, 1760, 1775, 1846, 2080, 2200, 2272, 2288, 2600, 2840, 2860, 3124, 3550, 3575, 3692, 3905, 4400, 4576, 4615, 5200, 5680, 5720, 6248, 7100, 7150, 7384, 7810, 8800, 9230, 10153, 10400, 11360, 11440, 12496, 14200, 14300, 14768, 15620, 18460, 19525, 20306, 22880, 23075, 24992, 28400, 28600, 29536, 31240, 36920, 39050, 40612, 46150, 50765, 56800, 57200, 62480, 73840, 78100, 81224, 92300, 101530, 114400, 124960, 147680, 156200, 162448, 184600, 203060, 253825, 312400, 324896, 369200, 406120, 507650, 624800, 738400, 812240, 1015300, 1624480, 2030600, 4061200, 8122400]

約数ペア:

[(1, 8122400), (2, 4061200), (4, 2030600), (5, 1624480), (8, 1015300), (10, 812240), (11, 738400), (13, 624800), (16, 507650), (20, 406120), (22, 369200), (25, 324896), (26, 312400), (32, 253825), (40, 203060), (44, 184600), (50, 162448), (52, 156200), (55, 147680), (65, 124960), (71, 114400), (80, 101530), (88, 92300), (100, 81224), (104, 78100), (110, 73840), (130, 62480), (142, 57200), (143, 56800), (160, 50765), (176, 46150), (200, 40612), (208, 39050), (220, 36920), (260, 31240), (275, 29536), (284, 28600), (286, 28400), (325, 24992), (352, 23075), (355, 22880), (400, 20306), (416, 19525), (440, 18460), (520, 15620), (550, 14768), (568, 14300), (572, 14200), (650, 12496), (710, 11440), (715, 11360), (781, 10400), (800, 10153), (880, 9230), (923, 8800), (1040, 7810), (1100, 7384), (1136, 7150), (1144, 7100), (1300, 6248), (1420, 5720), (1430, 5680), (1562, 5200), (1760, 4615), (1775, 4576), (1846, 4400), (2080, 3905), (2200, 3692), (2272, 3575), (2288, 3550), (2600, 3124), (2840, 2860)]