2980451920

素因数分解:

$2^4\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{6229}}^1$

素因数の和:12223

約数の個数: 40

約数和(自身を含む): 6931821960

約数和(自身を除く): 3951370040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5981, 6229, 11962, 12458, 23924, 24916, 29905, 31145, 47848, 49832, 59810, 62290, 95696, 99664, 119620, 124580, 239240, 249160, 478480, 498320, 37255649, 74511298, 149022596, 186278245, 298045192, 372556490, 596090384, 745112980, 1490225960, 2980451920]

約数ペア:

[(1, 2980451920), (2, 1490225960), (4, 745112980), (5, 596090384), (8, 372556490), (10, 298045192), (16, 186278245), (20, 149022596), (40, 74511298), (80, 37255649), (5981, 498320), (6229, 478480), (11962, 249160), (12458, 239240), (23924, 124580), (24916, 119620), (29905, 99664), (31145, 95696), (47848, 62290), (49832, 59810)]