40939820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 88905600

約数和(自身を除く): 47965780

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 449, 470, 485, 898, 940, 970, 1796, 1940, 2245, 4490, 4559, 8980, 9118, 18236, 21103, 22795, 42206, 43553, 45590, 84412, 87106, 91180, 105515, 174212, 211030, 217765, 422060, 435530, 871060, 2046991, 4093982, 8187964, 10234955, 20469910, 40939820]

約数ペア:

[(1, 40939820), (2, 20469910), (4, 10234955), (5, 8187964), (10, 4093982), (20, 2046991), (47, 871060), (94, 435530), (97, 422060), (188, 217765), (194, 211030), (235, 174212), (388, 105515), (449, 91180), (470, 87106), (485, 84412), (898, 45590), (940, 43553), (970, 42206), (1796, 22795), (1940, 21103), (2245, 18236), (4490, 9118), (4559, 8980)]