5489840

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 40

約数和(自身を含む): 12872688

約数和(自身を除く): 7382848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 421, 652, 815, 842, 1304, 1630, 1684, 2105, 2608, 3260, 3368, 4210, 6520, 6736, 8420, 13040, 16840, 33680, 68623, 137246, 274492, 343115, 548984, 686230, 1097968, 1372460, 2744920, 5489840]

約数ペア:

[(1, 5489840), (2, 2744920), (4, 1372460), (5, 1097968), (8, 686230), (10, 548984), (16, 343115), (20, 274492), (40, 137246), (80, 68623), (163, 33680), (326, 16840), (421, 13040), (652, 8420), (815, 6736), (842, 6520), (1304, 4210), (1630, 3368), (1684, 3260), (2105, 2608)]