64677875

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 84015360

約数和(自身を除く): 19337485

約数列:

[1, 5, 25, 47, 101, 109, 125, 235, 505, 545, 1175, 2525, 2725, 4747, 5123, 5875, 11009, 12625, 13625, 23735, 25615, 55045, 118675, 128075, 275225, 517423, 593375, 640375, 1376125, 2587115, 12935575, 64677875]

約数ペア:

[(1, 64677875), (5, 12935575), (25, 2587115), (47, 1376125), (101, 640375), (109, 593375), (125, 517423), (235, 275225), (505, 128075), (545, 118675), (1175, 55045), (2525, 25615), (2725, 23735), (4747, 13625), (5123, 12625), (5875, 11009)]