40189390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36871}}^1$

素因数の和:36987

約数の個数: 16

約数和(自身を含む): 73006560

約数和(自身を除く): 32817170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 36871, 73742, 184355, 368710, 4018939, 8037878, 20094695, 40189390]

約数ペア:

[(1, 40189390), (2, 20094695), (5, 8037878), (10, 4018939), (109, 368710), (218, 184355), (545, 73742), (1090, 36871)]