2020047575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28643}}^1$

素因数の和:28704

約数の個数: 48

約数和(自身を含む): 3182462976

約数和(自身を除く): 1162415401

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 5425, 10075, 14105, 28643, 70525, 143215, 200501, 372359, 716075, 887933, 1002505, 1861795, 2606513, 4439665, 5012525, 6215531, 9308975, 11543129, 13032565, 22198325, 31077655, 57715645, 65162825, 80801903, 155388275, 288578225, 404009515, 2020047575]

約数ペア:

[(1, 2020047575), (5, 404009515), (7, 288578225), (13, 155388275), (25, 80801903), (31, 65162825), (35, 57715645), (65, 31077655), (91, 22198325), (155, 13032565), (175, 11543129), (217, 9308975), (325, 6215531), (403, 5012525), (455, 4439665), (775, 2606513), (1085, 1861795), (2015, 1002505), (2275, 887933), (2821, 716075), (5425, 372359), (10075, 200501), (14105, 143215), (28643, 70525)]