2744920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 6228720

約数和(自身を除く): 3483800

約数列:

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

約数ペア:

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