20124719960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7086169}}^1$

素因数の和:7086251

約数の個数: 32

約数和(自身を含む): 45918381600

約数和(自身を除く): 25793661640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7086169, 14172338, 28344676, 35430845, 56689352, 70861690, 141723380, 283446760, 503117999, 1006235998, 2012471996, 2515589995, 4024943992, 5031179990, 10062359980, 20124719960]

約数ペア:

[(1, 20124719960), (2, 10062359980), (4, 5031179990), (5, 4024943992), (8, 2515589995), (10, 2012471996), (20, 1006235998), (40, 503117999), (71, 283446760), (142, 141723380), (284, 70861690), (355, 56689352), (568, 35430845), (710, 28344676), (1420, 14172338), (2840, 7086169)]