164019980

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{11699}}^1$

素因数の和:12409

約数の個数: 24

約数和(自身を含む): 344962800

約数和(自身を除く): 180942820

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 7010, 11699, 14020, 23398, 46796, 58495, 116990, 233980, 8200999, 16401998, 32803996, 41004995, 82009990, 164019980]

約数ペア:

[(1, 164019980), (2, 82009990), (4, 41004995), (5, 32803996), (10, 16401998), (20, 8200999), (701, 233980), (1402, 116990), (2804, 58495), (3505, 46796), (7010, 23398), (11699, 14020)]