142028560

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4217}}^1$

素因数の和:4651

約数の個数: 40

約数和(自身を含む): 331079256

約数和(自身を除く): 189050696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 4217, 6736, 8420, 8434, 16840, 16868, 21085, 33680, 33736, 42170, 67472, 84340, 168680, 337360, 1775357, 3550714, 7101428, 8876785, 14202856, 17753570, 28405712, 35507140, 71014280, 142028560]

約数ペア:

[(1, 142028560), (2, 71014280), (4, 35507140), (5, 28405712), (8, 17753570), (10, 14202856), (16, 8876785), (20, 7101428), (40, 3550714), (80, 1775357), (421, 337360), (842, 168680), (1684, 84340), (2105, 67472), (3368, 42170), (4210, 33736), (4217, 33680), (6736, 21085), (8420, 16868), (8434, 16840)]