42501940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163469}}^1$

素因数の和:163491

約数の個数: 24

約数和(自身を含む): 96120360

約数和(自身を除く): 53618420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 163469, 326938, 653876, 817345, 1634690, 2125097, 3269380, 4250194, 8500388, 10625485, 21250970, 42501940]

約数ペア:

[(1, 42501940), (2, 21250970), (4, 10625485), (5, 8500388), (10, 4250194), (13, 3269380), (20, 2125097), (26, 1634690), (52, 817345), (65, 653876), (130, 326938), (260, 163469)]