2492680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 5673240

約数和(自身を除く): 3180560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 617, 808, 1010, 1234, 2020, 2468, 3085, 4040, 4936, 6170, 12340, 24680, 62317, 124634, 249268, 311585, 498536, 623170, 1246340, 2492680]

約数ペア:

[(1, 2492680), (2, 1246340), (4, 623170), (5, 498536), (8, 311585), (10, 249268), (20, 124634), (40, 62317), (101, 24680), (202, 12340), (404, 6170), (505, 4936), (617, 4040), (808, 3085), (1010, 2468), (1234, 2020)]