90455335240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72947851}}^1$

素因数の和:72947893

約数の個数: 32

約数和(自身を含む): 210089813760

約数和(自身を除く): 119634478520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 72947851, 145895702, 291791404, 364739255, 583582808, 729478510, 1458957020, 2261383381, 2917914040, 4522766762, 9045533524, 11306916905, 18091067048, 22613833810, 45227667620, 90455335240]

約数ペア:

[(1, 90455335240), (2, 45227667620), (4, 22613833810), (5, 18091067048), (8, 11306916905), (10, 9045533524), (20, 4522766762), (31, 2917914040), (40, 2261383381), (62, 1458957020), (124, 729478510), (155, 583582808), (248, 364739255), (310, 291791404), (620, 145895702), (1240, 72947851)]