220313840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{24371}}^1$

素因数の和:24497

約数の個数: 40

約数和(自身を含む): 516783888

約数和(自身を除く): 296470048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 24371, 48742, 97484, 121855, 194968, 243710, 389936, 487420, 974840, 1949680, 2753923, 5507846, 11015692, 13769615, 22031384, 27539230, 44062768, 55078460, 110156920, 220313840]

約数ペア:

[(1, 220313840), (2, 110156920), (4, 55078460), (5, 44062768), (8, 27539230), (10, 22031384), (16, 13769615), (20, 11015692), (40, 5507846), (80, 2753923), (113, 1949680), (226, 974840), (452, 487420), (565, 389936), (904, 243710), (1130, 194968), (1808, 121855), (2260, 97484), (4520, 48742), (9040, 24371)]