38974640

素因数分解:

$2^4\times 5^1\times {\mathrm{487183}}^1$

素因数の和:487196

約数の個数: 20

約数和(自身を含む): 90616224

約数和(自身を除く): 51641584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487183, 974366, 1948732, 2435915, 3897464, 4871830, 7794928, 9743660, 19487320, 38974640]

約数ペア:

[(1, 38974640), (2, 19487320), (4, 9743660), (5, 7794928), (8, 4871830), (10, 3897464), (16, 2435915), (20, 1948732), (40, 974366), (80, 487183)]