7271420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27967}}^1$

素因数の和:27989

約数の個数: 24

約数和(自身を含む): 16445184

約数和(自身を除く): 9173764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27967, 55934, 111868, 139835, 279670, 363571, 559340, 727142, 1454284, 1817855, 3635710, 7271420]

約数ペア:

[(1, 7271420), (2, 3635710), (4, 1817855), (5, 1454284), (10, 727142), (13, 559340), (20, 363571), (26, 279670), (52, 139835), (65, 111868), (130, 55934), (260, 27967)]