154919620

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{32141}}^1$

素因数の和:32391

約数の個数: 24

約数和(自身を含む): 326691288

約数和(自身を除く): 171771668

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 32141, 64282, 128564, 160705, 321410, 642820, 7745981, 15491962, 30983924, 38729905, 77459810, 154919620]

約数ペア:

[(1, 154919620), (2, 77459810), (4, 38729905), (5, 30983924), (10, 15491962), (20, 7745981), (241, 642820), (482, 321410), (964, 160705), (1205, 128564), (2410, 64282), (4820, 32141)]