8428220

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{683}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 17753904

約数和(自身を除く): 9325684

約数列:

[1, 2, 4, 5, 10, 20, 617, 683, 1234, 1366, 2468, 2732, 3085, 3415, 6170, 6830, 12340, 13660, 421411, 842822, 1685644, 2107055, 4214110, 8428220]

約数ペア:

[(1, 8428220), (2, 4214110), (4, 2107055), (5, 1685644), (10, 842822), (20, 421411), (617, 13660), (683, 12340), (1234, 6830), (1366, 6170), (2468, 3415), (2732, 3085)]