520040240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{122651}}^1$

素因数の和:122717

約数の個数: 40

約数和(自身を含む): 1231916688

約数和(自身を除く): 711876448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 122651, 245302, 490604, 613255, 981208, 1226510, 1962416, 2453020, 4906040, 6500503, 9812080, 13001006, 26002012, 32502515, 52004024, 65005030, 104008048, 130010060, 260020120, 520040240]

約数ペア:

[(1, 520040240), (2, 260020120), (4, 130010060), (5, 104008048), (8, 65005030), (10, 52004024), (16, 32502515), (20, 26002012), (40, 13001006), (53, 9812080), (80, 6500503), (106, 4906040), (212, 2453020), (265, 1962416), (424, 1226510), (530, 981208), (848, 613255), (1060, 490604), (2120, 245302), (4240, 122651)]