82875380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1163}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 199463040

約数和(自身を除く): 116587660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1163, 2036, 2326, 2545, 3563, 4652, 5090, 5815, 7126, 8141, 10180, 11630, 14252, 16282, 17815, 23260, 32564, 35630, 40705, 71260, 81410, 162820, 591967, 1183934, 2367868, 2959835, 4143769, 5919670, 8287538, 11839340, 16575076, 20718845, 41437690, 82875380]

約数ペア:

[(1, 82875380), (2, 41437690), (4, 20718845), (5, 16575076), (7, 11839340), (10, 8287538), (14, 5919670), (20, 4143769), (28, 2959835), (35, 2367868), (70, 1183934), (140, 591967), (509, 162820), (1018, 81410), (1163, 71260), (2036, 40705), (2326, 35630), (2545, 32564), (3563, 23260), (4652, 17815), (5090, 16282), (5815, 14252), (7126, 11630), (8141, 10180)]