210147580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{80209}}^1$

素因数の和:80349

約数の個数: 24

約数和(自身を含む): 444684240

約数和(自身を除く): 234536660

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 80209, 160418, 320836, 401045, 802090, 1604180, 10507379, 21014758, 42029516, 52536895, 105073790, 210147580]

約数ペア:

[(1, 210147580), (2, 105073790), (4, 52536895), (5, 42029516), (10, 21014758), (20, 10507379), (131, 1604180), (262, 802090), (524, 401045), (655, 320836), (1310, 160418), (2620, 80209)]