8874680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 21876480

約数和(自身を除く): 13001800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 421, 527, 620, 680, 842, 1054, 1240, 1684, 2105, 2108, 2635, 3368, 4210, 4216, 5270, 7157, 8420, 10540, 13051, 14314, 16840, 21080, 26102, 28628, 35785, 52204, 57256, 65255, 71570, 104408, 130510, 143140, 221867, 261020, 286280, 443734, 522040, 887468, 1109335, 1774936, 2218670, 4437340, 8874680]

約数ペア:

[(1, 8874680), (2, 4437340), (4, 2218670), (5, 1774936), (8, 1109335), (10, 887468), (17, 522040), (20, 443734), (31, 286280), (34, 261020), (40, 221867), (62, 143140), (68, 130510), (85, 104408), (124, 71570), (136, 65255), (155, 57256), (170, 52204), (248, 35785), (310, 28628), (340, 26102), (421, 21080), (527, 16840), (620, 14314), (680, 13051), (842, 10540), (1054, 8420), (1240, 7157), (1684, 5270), (2105, 4216), (2108, 4210), (2635, 3368)]