99997540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38167}}^1$

素因数の和:38307

約数の個数: 24

約数和(自身を含む): 211603392

約数和(自身を除く): 111605852

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 38167, 76334, 152668, 190835, 381670, 763340, 4999877, 9999754, 19999508, 24999385, 49998770, 99997540]

約数ペア:

[(1, 99997540), (2, 49998770), (4, 24999385), (5, 19999508), (10, 9999754), (20, 4999877), (131, 763340), (262, 381670), (524, 190835), (655, 152668), (1310, 76334), (2620, 38167)]