39489740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{23789}}^1$

素因数の和:23881

約数の個数: 24

約数和(自身を含む): 83931120

約数和(自身を除く): 44441380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 23789, 47578, 95156, 118945, 237890, 475780, 1974487, 3948974, 7897948, 9872435, 19744870, 39489740]

約数ペア:

[(1, 39489740), (2, 19744870), (4, 9872435), (5, 7897948), (10, 3948974), (20, 1974487), (83, 475780), (166, 237890), (332, 118945), (415, 95156), (830, 47578), (1660, 23789)]