31474760

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5281}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 71307000

約数和(自身を除く): 39832240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5281, 5960, 10562, 21124, 26405, 42248, 52810, 105620, 211240, 786869, 1573738, 3147476, 3934345, 6294952, 7868690, 15737380, 31474760]

約数ペア:

[(1, 31474760), (2, 15737380), (4, 7868690), (5, 6294952), (8, 3934345), (10, 3147476), (20, 1573738), (40, 786869), (149, 211240), (298, 105620), (596, 52810), (745, 42248), (1192, 26405), (1490, 21124), (2980, 10562), (5281, 5960)]