2019165740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{12653}}^1$

素因数の和:12842

約数の個数: 48

約数和(自身を含む): 4336778880

約数和(自身を除く): 2317613140

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 395, 404, 505, 790, 1010, 1580, 2020, 7979, 12653, 15958, 25306, 31916, 39895, 50612, 63265, 79790, 126530, 159580, 253060, 999587, 1277953, 1999174, 2555906, 3998348, 4997935, 5111812, 6389765, 9995870, 12779530, 19991740, 25559060, 100958287, 201916574, 403833148, 504791435, 1009582870, 2019165740]

約数ペア:

[(1, 2019165740), (2, 1009582870), (4, 504791435), (5, 403833148), (10, 201916574), (20, 100958287), (79, 25559060), (101, 19991740), (158, 12779530), (202, 9995870), (316, 6389765), (395, 5111812), (404, 4997935), (505, 3998348), (790, 2555906), (1010, 1999174), (1580, 1277953), (2020, 999587), (7979, 253060), (12653, 159580), (15958, 126530), (25306, 79790), (31916, 63265), (39895, 50612)]