64250875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 90941760

約数和(自身を除く): 26690885

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 1235, 1625, 2081, 2375, 6175, 10405, 27053, 30875, 39539, 52025, 135265, 197695, 260125, 514007, 676325, 988475, 2570035, 3381625, 4942375, 12850175, 64250875]

約数ペア:

[(1, 64250875), (5, 12850175), (13, 4942375), (19, 3381625), (25, 2570035), (65, 988475), (95, 676325), (125, 514007), (247, 260125), (325, 197695), (475, 135265), (1235, 52025), (1625, 39539), (2081, 30875), (2375, 27053), (6175, 10405)]