69753125

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 100399824

約数和(自身を除く): 30646699

約数列:

[1, 5, 13, 17, 25, 65, 85, 101, 125, 221, 325, 425, 505, 625, 1105, 1313, 1625, 1717, 2125, 2525, 3125, 5525, 6565, 8125, 8585, 10625, 12625, 22321, 27625, 32825, 40625, 42925, 53125, 63125, 111605, 138125, 164125, 214625, 315625, 558025, 690625, 820625, 1073125, 2790125, 4103125, 5365625, 13950625, 69753125]

約数ペア:

[(1, 69753125), (5, 13950625), (13, 5365625), (17, 4103125), (25, 2790125), (65, 1073125), (85, 820625), (101, 690625), (125, 558025), (221, 315625), (325, 214625), (425, 164125), (505, 138125), (625, 111605), (1105, 63125), (1313, 53125), (1625, 42925), (1717, 40625), (2125, 32825), (2525, 27625), (3125, 22321), (5525, 12625), (6565, 10625), (8125, 8585)]