51988625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 73996416

約数和(自身を除く): 22007791

約数列:

[1, 5, 13, 23, 25, 65, 107, 115, 125, 169, 299, 325, 535, 575, 845, 1391, 1495, 1625, 2461, 2675, 2875, 3887, 4225, 6955, 7475, 12305, 13375, 18083, 19435, 21125, 31993, 34775, 37375, 61525, 90415, 97175, 159965, 173875, 307625, 415909, 452075, 485875, 799825, 2079545, 2260375, 3999125, 10397725, 51988625]

約数ペア:

[(1, 51988625), (5, 10397725), (13, 3999125), (23, 2260375), (25, 2079545), (65, 799825), (107, 485875), (115, 452075), (125, 415909), (169, 307625), (299, 173875), (325, 159965), (535, 97175), (575, 90415), (845, 61525), (1391, 37375), (1495, 34775), (1625, 31993), (2461, 21125), (2675, 19435), (2875, 18083), (3887, 13375), (4225, 12305), (6955, 7475)]