28418960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9601}}^1$

素因数の和:9651

約数の個数: 40

約数和(自身を含む): 67866936

約数和(自身を除く): 39447976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9601, 19202, 38404, 48005, 76808, 96010, 153616, 192020, 355237, 384040, 710474, 768080, 1420948, 1776185, 2841896, 3552370, 5683792, 7104740, 14209480, 28418960]

約数ペア:

[(1, 28418960), (2, 14209480), (4, 7104740), (5, 5683792), (8, 3552370), (10, 2841896), (16, 1776185), (20, 1420948), (37, 768080), (40, 710474), (74, 384040), (80, 355237), (148, 192020), (185, 153616), (296, 96010), (370, 76808), (592, 48005), (740, 38404), (1480, 19202), (2960, 9601)]