2783142020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{495221}}^1$

素因数の和:495511

約数の個数: 24

約数和(自身を含む): 5865409368

約数和(自身を除く): 3082267348

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 495221, 990442, 1980884, 2476105, 4952210, 9904420, 139157101, 278314202, 556628404, 695785505, 1391571010, 2783142020]

約数ペア:

[(1, 2783142020), (2, 1391571010), (4, 695785505), (5, 556628404), (10, 278314202), (20, 139157101), (281, 9904420), (562, 4952210), (1124, 2476105), (1405, 1980884), (2810, 990442), (5620, 495221)]