40427255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 55351296

約数和(自身を除く): 14924041

約数列:

[1, 5, 11, 31, 55, 131, 155, 181, 341, 655, 905, 1441, 1705, 1991, 4061, 5611, 7205, 9955, 20305, 23711, 28055, 44671, 61721, 118555, 223355, 260821, 308605, 735041, 1304105, 3675205, 8085451, 40427255]

約数ペア:

[(1, 40427255), (5, 8085451), (11, 3675205), (31, 1304105), (55, 735041), (131, 308605), (155, 260821), (181, 223355), (341, 118555), (655, 61721), (905, 44671), (1441, 28055), (1705, 23711), (1991, 20305), (4061, 9955), (5611, 7205)]