8877280

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 21201264

約数和(自身を除く): 12323984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 491, 565, 904, 982, 1130, 1808, 1964, 2260, 2455, 3616, 3928, 4520, 4910, 7856, 9040, 9820, 15712, 18080, 19640, 39280, 55483, 78560, 110966, 221932, 277415, 443864, 554830, 887728, 1109660, 1775456, 2219320, 4438640, 8877280]

約数ペア:

[(1, 8877280), (2, 4438640), (4, 2219320), (5, 1775456), (8, 1109660), (10, 887728), (16, 554830), (20, 443864), (32, 277415), (40, 221932), (80, 110966), (113, 78560), (160, 55483), (226, 39280), (452, 19640), (491, 18080), (565, 15712), (904, 9820), (982, 9040), (1130, 7856), (1808, 4910), (1964, 4520), (2260, 3928), (2455, 3616)]