326872360

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{80909}}^1$

素因数の和:81021

約数の個数: 32

約数和(自身を含む): 742753800

約数和(自身を除く): 415881440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 80909, 161818, 323636, 404545, 647272, 809090, 1618180, 3236360, 8171809, 16343618, 32687236, 40859045, 65374472, 81718090, 163436180, 326872360]

約数ペア:

[(1, 326872360), (2, 163436180), (4, 81718090), (5, 65374472), (8, 40859045), (10, 32687236), (20, 16343618), (40, 8171809), (101, 3236360), (202, 1618180), (404, 809090), (505, 647272), (808, 404545), (1010, 323636), (2020, 161818), (4040, 80909)]