66191060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13399}}^1$

素因数の和:13440

約数の個数: 48

約数和(自身を含む): 157584000

約数和(自身を除く): 91392940

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13399, 26798, 53596, 66995, 133990, 174187, 254581, 267980, 348374, 509162, 696748, 870935, 1018324, 1272905, 1741870, 2545810, 3309553, 3483740, 5091620, 6619106, 13238212, 16547765, 33095530, 66191060]

約数ペア:

[(1, 66191060), (2, 33095530), (4, 16547765), (5, 13238212), (10, 6619106), (13, 5091620), (19, 3483740), (20, 3309553), (26, 2545810), (38, 1741870), (52, 1272905), (65, 1018324), (76, 870935), (95, 696748), (130, 509162), (190, 348374), (247, 267980), (260, 254581), (380, 174187), (494, 133990), (988, 66995), (1235, 53596), (2470, 26798), (4940, 13399)]