8420540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1747}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 17766672

約数和(自身を除く): 9346132

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1747, 2410, 3494, 4820, 6988, 8735, 17470, 34940, 421027, 842054, 1684108, 2105135, 4210270, 8420540]

約数ペア:

[(1, 8420540), (2, 4210270), (4, 2105135), (5, 1684108), (10, 842054), (20, 421027), (241, 34940), (482, 17470), (964, 8735), (1205, 6988), (1747, 4820), (2410, 3494)]