81433460

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{10631}}^1$

素因数の和:11023

約数の個数: 24

約数和(自身を含む): 171472896

約数和(自身を除く): 90039436

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 10631, 21262, 42524, 53155, 106310, 212620, 4071673, 8143346, 16286692, 20358365, 40716730, 81433460]

約数ペア:

[(1, 81433460), (2, 40716730), (4, 20358365), (5, 16286692), (10, 8143346), (20, 4071673), (383, 212620), (766, 106310), (1532, 53155), (1915, 42524), (3830, 21262), (7660, 10631)]