218087360

素因数分解:

$2^6\times 5^1\times {\mathrm{681523}}^1$

素因数の和:681540

約数の個数: 28

約数和(自身を含む): 519321288

約数和(自身を除く): 301233928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 681523, 1363046, 2726092, 3407615, 5452184, 6815230, 10904368, 13630460, 21808736, 27260920, 43617472, 54521840, 109043680, 218087360]

約数ペア:

[(1, 218087360), (2, 109043680), (4, 54521840), (5, 43617472), (8, 27260920), (10, 21808736), (16, 13630460), (20, 10904368), (32, 6815230), (40, 5452184), (64, 3407615), (80, 2726092), (160, 1363046), (320, 681523)]