85850320

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2549}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 200154600

約数和(自身を除く): 114304280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2549, 3368, 4210, 5098, 6736, 8420, 10196, 12745, 16840, 20392, 25490, 33680, 40784, 50980, 101960, 203920, 1073129, 2146258, 4292516, 5365645, 8585032, 10731290, 17170064, 21462580, 42925160, 85850320]

約数ペア:

[(1, 85850320), (2, 42925160), (4, 21462580), (5, 17170064), (8, 10731290), (10, 8585032), (16, 5365645), (20, 4292516), (40, 2146258), (80, 1073129), (421, 203920), (842, 101960), (1684, 50980), (2105, 40784), (2549, 33680), (3368, 25490), (4210, 20392), (5098, 16840), (6736, 12745), (8420, 10196)]