26620996840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6461407}}^1$

素因数の和:6461521

約数の個数: 32

約数和(自身を含む): 60478778880

約数和(自身を除く): 33857782040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6461407, 12922814, 25845628, 32307035, 51691256, 64614070, 129228140, 258456280, 665524921, 1331049842, 2662099684, 3327624605, 5324199368, 6655249210, 13310498420, 26620996840]

約数ペア:

[(1, 26620996840), (2, 13310498420), (4, 6655249210), (5, 5324199368), (8, 3327624605), (10, 2662099684), (20, 1331049842), (40, 665524921), (103, 258456280), (206, 129228140), (412, 64614070), (515, 51691256), (824, 32307035), (1030, 25845628), (2060, 12922814), (4120, 6461407)]