80780875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 125199360

約数和(自身を除く): 44418485

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 113, 125, 133, 175, 215, 301, 475, 565, 665, 791, 817, 875, 1075, 1505, 2147, 2375, 2825, 3325, 3955, 4085, 4859, 5375, 5719, 7525, 10735, 14125, 15029, 16625, 19775, 20425, 24295, 28595, 34013, 37625, 53675, 75145, 92321, 98875, 102125, 121475, 142975, 170065, 268375, 375725, 461605, 607375, 646247, 714875, 850325, 1878625, 2308025, 3231235, 4251625, 11540125, 16156175, 80780875]

約数ペア:

[(1, 80780875), (5, 16156175), (7, 11540125), (19, 4251625), (25, 3231235), (35, 2308025), (43, 1878625), (95, 850325), (113, 714875), (125, 646247), (133, 607375), (175, 461605), (215, 375725), (301, 268375), (475, 170065), (565, 142975), (665, 121475), (791, 102125), (817, 98875), (875, 92321), (1075, 75145), (1505, 53675), (2147, 37625), (2375, 34013), (2825, 28595), (3325, 24295), (3955, 20425), (4085, 19775), (4859, 16625), (5375, 15029), (5719, 14125), (7525, 10735)]