8881000

素因数分解:

$2^3\times 5^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 21228480

約数和(自身を除く): 12347480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 107, 125, 166, 200, 214, 250, 332, 415, 428, 500, 535, 664, 830, 856, 1000, 1070, 1660, 2075, 2140, 2675, 3320, 4150, 4280, 5350, 8300, 8881, 10375, 10700, 13375, 16600, 17762, 20750, 21400, 26750, 35524, 41500, 44405, 53500, 71048, 83000, 88810, 107000, 177620, 222025, 355240, 444050, 888100, 1110125, 1776200, 2220250, 4440500, 8881000]

約数ペア:

[(1, 8881000), (2, 4440500), (4, 2220250), (5, 1776200), (8, 1110125), (10, 888100), (20, 444050), (25, 355240), (40, 222025), (50, 177620), (83, 107000), (100, 88810), (107, 83000), (125, 71048), (166, 53500), (200, 44405), (214, 41500), (250, 35524), (332, 26750), (415, 21400), (428, 20750), (500, 17762), (535, 16600), (664, 13375), (830, 10700), (856, 10375), (1000, 8881), (1070, 8300), (1660, 5350), (2075, 4280), (2140, 4150), (2675, 3320)]