156963649840

素因数分解:

$2^4\times 5^1\times {\mathrm{1962045623}}^1$

素因数の和:1962045636

約数の個数: 20

約数和(自身を含む): 364940486064

約数和(自身を除く): 207976836224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962045623, 3924091246, 7848182492, 9810228115, 15696364984, 19620456230, 31392729968, 39240912460, 78481824920, 156963649840]

約数ペア:

[(1, 156963649840), (2, 78481824920), (4, 39240912460), (5, 31392729968), (8, 19620456230), (10, 15696364984), (16, 9810228115), (20, 7848182492), (40, 3924091246), (80, 1962045623)]