13950625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 20074824

約数和(自身を除く): 6124199

約数列:

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

約数ペア:

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