123851240

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{8923}}^1$

素因数の和:9281

約数の個数: 32

約数和(自身を含む): 279499680

約数和(自身を除く): 155648440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 8923, 13880, 17846, 35692, 44615, 71384, 89230, 178460, 356920, 3096281, 6192562, 12385124, 15481405, 24770248, 30962810, 61925620, 123851240]

約数ペア:

[(1, 123851240), (2, 61925620), (4, 30962810), (5, 24770248), (8, 15481405), (10, 12385124), (20, 6192562), (40, 3096281), (347, 356920), (694, 178460), (1388, 89230), (1735, 71384), (2776, 44615), (3470, 35692), (6940, 17846), (8923, 13880)]