9969892580

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{991043}}^1$

素因数の和:991555

約数の個数: 24

約数和(自身を含む): 20978419392

約数和(自身を除く): 11008526812

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 991043, 1982086, 3964172, 4955215, 9910430, 19820860, 498494629, 996989258, 1993978516, 2492473145, 4984946290, 9969892580]

約数ペア:

[(1, 9969892580), (2, 4984946290), (4, 2492473145), (5, 1993978516), (10, 996989258), (20, 498494629), (503, 19820860), (1006, 9910430), (2012, 4955215), (2515, 3964172), (5030, 1982086), (10060, 991043)]