431313640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151871}}^1$

素因数の和:151953

約数の個数: 32

約数和(自身を含む): 984130560

約数和(自身を除く): 552816920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 151871, 303742, 607484, 759355, 1214968, 1518710, 3037420, 6074840, 10782841, 21565682, 43131364, 53914205, 86262728, 107828410, 215656820, 431313640]

約数ペア:

[(1, 431313640), (2, 215656820), (4, 107828410), (5, 86262728), (8, 53914205), (10, 43131364), (20, 21565682), (40, 10782841), (71, 6074840), (142, 3037420), (284, 1518710), (355, 1214968), (568, 759355), (710, 607484), (1420, 303742), (2840, 151871)]