157580440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127081}}^1$

素因数の和:127123

約数の個数: 32

約数和(自身を含む): 365996160

約数和(自身を除く): 208415720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 127081, 254162, 508324, 635405, 1016648, 1270810, 2541620, 3939511, 5083240, 7879022, 15758044, 19697555, 31516088, 39395110, 78790220, 157580440]

約数ペア:

[(1, 157580440), (2, 78790220), (4, 39395110), (5, 31516088), (8, 19697555), (10, 15758044), (20, 7879022), (31, 5083240), (40, 3939511), (62, 2541620), (124, 1270810), (155, 1016648), (248, 635405), (310, 508324), (620, 254162), (1240, 127081)]