31410320

素因数分解:

$2^4\times 5^1\times {\mathrm{392629}}^1$

素因数の和:392642

約数の個数: 20

約数和(自身を含む): 73029180

約数和(自身を除く): 41618860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392629, 785258, 1570516, 1963145, 3141032, 3926290, 6282064, 7852580, 15705160, 31410320]

約数ペア:

[(1, 31410320), (2, 15705160), (4, 7852580), (5, 6282064), (8, 3926290), (10, 3141032), (16, 1963145), (20, 1570516), (40, 785258), (80, 392629)]