202239740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25471}}^1$

素因数の和:25877

約数の個数: 24

約数和(自身を含む): 425789952

約数和(自身を除く): 223550212

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25471, 50942, 101884, 127355, 254710, 509420, 10111987, 20223974, 40447948, 50559935, 101119870, 202239740]

約数ペア:

[(1, 202239740), (2, 101119870), (4, 50559935), (5, 40447948), (10, 20223974), (20, 10111987), (397, 509420), (794, 254710), (1588, 127355), (1985, 101884), (3970, 50942), (7940, 25471)]