64104625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 87220224

約数和(自身を除く): 23115599

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 383, 515, 1339, 1625, 1915, 2575, 4979, 6695, 9575, 12875, 24895, 33475, 39449, 47875, 124475, 167375, 197245, 512837, 622375, 986225, 2564185, 4931125, 12820925, 64104625]

約数ペア:

[(1, 64104625), (5, 12820925), (13, 4931125), (25, 2564185), (65, 986225), (103, 622375), (125, 512837), (325, 197245), (383, 167375), (515, 124475), (1339, 47875), (1625, 39449), (1915, 33475), (2575, 24895), (4979, 12875), (6695, 9575)]