55302560

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 131122152

約数和(自身を除く): 75819592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 821, 842, 1642, 1684, 2105, 3284, 3368, 4105, 4210, 6568, 6736, 8210, 8420, 13136, 13472, 16420, 16840, 26272, 32840, 33680, 65680, 67360, 131360, 345641, 691282, 1382564, 1728205, 2765128, 3456410, 5530256, 6912820, 11060512, 13825640, 27651280, 55302560]

約数ペア:

[(1, 55302560), (2, 27651280), (4, 13825640), (5, 11060512), (8, 6912820), (10, 5530256), (16, 3456410), (20, 2765128), (32, 1728205), (40, 1382564), (80, 691282), (160, 345641), (421, 131360), (821, 67360), (842, 65680), (1642, 33680), (1684, 32840), (2105, 26272), (3284, 16840), (3368, 16420), (4105, 13472), (4210, 13136), (6568, 8420), (6736, 8210)]