78791036780

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{6364381}}^1$

素因数の和:6365009

約数の個数: 24

約数和(自身を含む): 165728507280

約数和(自身を除く): 86937470500

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 6364381, 12728762, 25457524, 31821905, 63643810, 127287620, 3939551839, 7879103678, 15758207356, 19697759195, 39395518390, 78791036780]

約数ペア:

[(1, 78791036780), (2, 39395518390), (4, 19697759195), (5, 15758207356), (10, 7879103678), (20, 3939551839), (619, 127287620), (1238, 63643810), (2476, 31821905), (3095, 25457524), (6190, 12728762), (12380, 6364381)]