157331320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28297}}^1$

素因数の和:28447

約数の個数: 32

約数和(自身を含む): 356554800

約数和(自身を除く): 199223480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 28297, 56594, 113188, 141485, 226376, 282970, 565940, 1131880, 3933283, 7866566, 15733132, 19666415, 31466264, 39332830, 78665660, 157331320]

約数ペア:

[(1, 157331320), (2, 78665660), (4, 39332830), (5, 31466264), (8, 19666415), (10, 15733132), (20, 7866566), (40, 3933283), (139, 1131880), (278, 565940), (556, 282970), (695, 226376), (1112, 141485), (1390, 113188), (2780, 56594), (5560, 28297)]