40590640

素因数分解:

$2^4\times 5^1\times {\mathrm{507383}}^1$

素因数の和:507396

約数の個数: 20

約数和(自身を含む): 94373424

約数和(自身を除く): 53782784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 507383, 1014766, 2029532, 2536915, 4059064, 5073830, 8118128, 10147660, 20295320, 40590640]

約数ペア:

[(1, 40590640), (2, 20295320), (4, 10147660), (5, 8118128), (8, 5073830), (10, 4059064), (16, 2536915), (20, 2029532), (40, 1014766), (80, 507383)]