90655580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44879}}^1$

素因数の和:44989

約数の個数: 24

約数和(自身を含む): 192265920

約数和(自身を除く): 101610340

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 44879, 89758, 179516, 224395, 448790, 897580, 4532779, 9065558, 18131116, 22663895, 45327790, 90655580]

約数ペア:

[(1, 90655580), (2, 45327790), (4, 22663895), (5, 18131116), (10, 9065558), (20, 4532779), (101, 897580), (202, 448790), (404, 224395), (505, 179516), (1010, 89758), (2020, 44879)]