66807560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{31513}}^1$

素因数の和:31577

約数の個数: 32

約数和(自身を含む): 153158040

約数和(自身を除く): 86350480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 31513, 63026, 126052, 157565, 252104, 315130, 630260, 1260520, 1670189, 3340378, 6680756, 8350945, 13361512, 16701890, 33403780, 66807560]

約数ペア:

[(1, 66807560), (2, 33403780), (4, 16701890), (5, 13361512), (8, 8350945), (10, 6680756), (20, 3340378), (40, 1670189), (53, 1260520), (106, 630260), (212, 315130), (265, 252104), (424, 157565), (530, 126052), (1060, 63026), (2120, 31513)]