12228280

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{881}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 27624240

約数和(自身を除く): 15395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 881, 1388, 1735, 1762, 2776, 3470, 3524, 4405, 6940, 7048, 8810, 13880, 17620, 35240, 305707, 611414, 1222828, 1528535, 2445656, 3057070, 6114140, 12228280]

約数ペア:

[(1, 12228280), (2, 6114140), (4, 3057070), (5, 2445656), (8, 1528535), (10, 1222828), (20, 611414), (40, 305707), (347, 35240), (694, 17620), (881, 13880), (1388, 8810), (1735, 7048), (1762, 6940), (2776, 4405), (3470, 3524)]