8619640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1907}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 19576080

約数和(自身を除く): 10956440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1907, 2260, 3814, 4520, 7628, 9535, 15256, 19070, 38140, 76280, 215491, 430982, 861964, 1077455, 1723928, 2154910, 4309820, 8619640]

約数ペア:

[(1, 8619640), (2, 4309820), (4, 2154910), (5, 1723928), (8, 1077455), (10, 861964), (20, 430982), (40, 215491), (113, 76280), (226, 38140), (452, 19070), (565, 15256), (904, 9535), (1130, 7628), (1907, 4520), (2260, 3814)]