79625680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 112862000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 293, 316, 344, 395, 430, 586, 632, 688, 790, 860, 1172, 1264, 1465, 1580, 1720, 2344, 2930, 3160, 3397, 3440, 4688, 5860, 6320, 6794, 11720, 12599, 13588, 16985, 23147, 23440, 25198, 27176, 33970, 46294, 50396, 54352, 62995, 67940, 92588, 100792, 115735, 125990, 135880, 185176, 201584, 231470, 251980, 271760, 370352, 462940, 503960, 925880, 995321, 1007920, 1851760, 1990642, 3981284, 4976605, 7962568, 9953210, 15925136, 19906420, 39812840, 79625680]

約数ペア:

[(1, 79625680), (2, 39812840), (4, 19906420), (5, 15925136), (8, 9953210), (10, 7962568), (16, 4976605), (20, 3981284), (40, 1990642), (43, 1851760), (79, 1007920), (80, 995321), (86, 925880), (158, 503960), (172, 462940), (215, 370352), (293, 271760), (316, 251980), (344, 231470), (395, 201584), (430, 185176), (586, 135880), (632, 125990), (688, 115735), (790, 100792), (860, 92588), (1172, 67940), (1264, 62995), (1465, 54352), (1580, 50396), (1720, 46294), (2344, 33970), (2930, 27176), (3160, 25198), (3397, 23440), (3440, 23147), (4688, 16985), (5860, 13588), (6320, 12599), (6794, 11720)]