80270620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 176033088

約数和(自身を除く): 95762468

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 1847, 2173, 3694, 4346, 7388, 8692, 9235, 10865, 18470, 21730, 36940, 43460, 75727, 97891, 151454, 195782, 302908, 378635, 391564, 489455, 757270, 978910, 1514540, 1957820, 4013531, 8027062, 16054124, 20067655, 40135310, 80270620]

約数ペア:

[(1, 80270620), (2, 40135310), (4, 20067655), (5, 16054124), (10, 8027062), (20, 4013531), (41, 1957820), (53, 1514540), (82, 978910), (106, 757270), (164, 489455), (205, 391564), (212, 378635), (265, 302908), (410, 195782), (530, 151454), (820, 97891), (1060, 75727), (1847, 43460), (2173, 36940), (3694, 21730), (4346, 18470), (7388, 10865), (8692, 9235)]