40495060

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1987}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 85165920

約数和(自身を除く): 44670860

約数列:

[1, 2, 4, 5, 10, 20, 1019, 1987, 2038, 3974, 4076, 5095, 7948, 9935, 10190, 19870, 20380, 39740, 2024753, 4049506, 8099012, 10123765, 20247530, 40495060]

約数ペア:

[(1, 40495060), (2, 20247530), (4, 10123765), (5, 8099012), (10, 4049506), (20, 2024753), (1019, 39740), (1987, 20380), (2038, 19870), (3974, 10190), (4076, 9935), (5095, 7948)]