156945961960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28227691}}^1$

素因数の和:28227841

約数の個数: 32

約数和(自身を含む): 355668919200

約数和(自身を除く): 198722957240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28227691, 56455382, 112910764, 141138455, 225821528, 282276910, 564553820, 1129107640, 3923649049, 7847298098, 15694596196, 19618245245, 31389192392, 39236490490, 78472980980, 156945961960]

約数ペア:

[(1, 156945961960), (2, 78472980980), (4, 39236490490), (5, 31389192392), (8, 19618245245), (10, 15694596196), (20, 7847298098), (40, 3923649049), (139, 1129107640), (278, 564553820), (556, 282276910), (695, 225821528), (1112, 141138455), (1390, 112910764), (2780, 56455382), (5560, 28227691)]