61390480

素因数分解:

$2^4\times 5^1\times {\mathrm{767381}}^1$

素因数の和:767394

約数の個数: 20

約数和(自身を含む): 142733052

約数和(自身を除く): 81342572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 767381, 1534762, 3069524, 3836905, 6139048, 7673810, 12278096, 15347620, 30695240, 61390480]

約数ペア:

[(1, 61390480), (2, 30695240), (4, 15347620), (5, 12278096), (8, 7673810), (10, 6139048), (16, 3836905), (20, 3069524), (40, 1534762), (80, 767381)]