127187420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{205141}}^1$

素因数の和:205181

約数の個数: 24

約数和(自身を含む): 275710848

約数和(自身を除く): 148523428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 205141, 410282, 820564, 1025705, 2051410, 4102820, 6359371, 12718742, 25437484, 31796855, 63593710, 127187420]

約数ペア:

[(1, 127187420), (2, 63593710), (4, 31796855), (5, 25437484), (10, 12718742), (20, 6359371), (31, 4102820), (62, 2051410), (124, 1025705), (155, 820564), (310, 410282), (620, 205141)]