13259875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 17641728

約数和(自身を除く): 4381853

約数列:

[1, 5, 25, 37, 47, 61, 125, 185, 235, 305, 925, 1175, 1525, 1739, 2257, 2867, 4625, 5875, 7625, 8695, 11285, 14335, 43475, 56425, 71675, 106079, 217375, 282125, 358375, 530395, 2651975, 13259875]

約数ペア:

[(1, 13259875), (5, 2651975), (25, 530395), (37, 358375), (47, 282125), (61, 217375), (125, 106079), (185, 71675), (235, 56425), (305, 43475), (925, 14335), (1175, 11285), (1525, 8695), (1739, 7625), (2257, 5875), (2867, 4625)]