64908875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 85722624

約数和(自身を除く): 20813749

約数列:

[1, 5, 23, 25, 107, 115, 125, 211, 535, 575, 1055, 2461, 2675, 2875, 4853, 5275, 12305, 13375, 22577, 24265, 26375, 61525, 112885, 121325, 307625, 519271, 564425, 606625, 2596355, 2822125, 12981775, 64908875]

約数ペア:

[(1, 64908875), (5, 12981775), (23, 2822125), (25, 2596355), (107, 606625), (115, 564425), (125, 519271), (211, 307625), (535, 121325), (575, 112885), (1055, 61525), (2461, 26375), (2675, 24265), (2875, 22577), (4853, 13375), (5275, 12305)]