39286640

素因数分解:

$2^4\times 5^1\times {\mathrm{491083}}^1$

素因数の和:491096

約数の個数: 20

約数和(自身を含む): 91341624

約数和(自身を除く): 52054984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491083, 982166, 1964332, 2455415, 3928664, 4910830, 7857328, 9821660, 19643320, 39286640]

約数ペア:

[(1, 39286640), (2, 19643320), (4, 9821660), (5, 7857328), (8, 4910830), (10, 3928664), (16, 2455415), (20, 1964332), (40, 982166), (80, 491083)]