74533840

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2213}}^1$

素因数の和:2647

約数の個数: 40

約数和(自身を含む): 173781288

約数和(自身を除く): 99247448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2213, 3368, 4210, 4426, 6736, 8420, 8852, 11065, 16840, 17704, 22130, 33680, 35408, 44260, 88520, 177040, 931673, 1863346, 3726692, 4658365, 7453384, 9316730, 14906768, 18633460, 37266920, 74533840]

約数ペア:

[(1, 74533840), (2, 37266920), (4, 18633460), (5, 14906768), (8, 9316730), (10, 7453384), (16, 4658365), (20, 3726692), (40, 1863346), (80, 931673), (421, 177040), (842, 88520), (1684, 44260), (2105, 35408), (2213, 33680), (3368, 22130), (4210, 17704), (4426, 16840), (6736, 11065), (8420, 8852)]