13204580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 29828736

約数和(自身を除く): 16624156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 547, 710, 1094, 1207, 1420, 2188, 2414, 2735, 4828, 5470, 6035, 9299, 10940, 12070, 18598, 24140, 37196, 38837, 46495, 77674, 92990, 155348, 185980, 194185, 388370, 660229, 776740, 1320458, 2640916, 3301145, 6602290, 13204580]

約数ペア:

[(1, 13204580), (2, 6602290), (4, 3301145), (5, 2640916), (10, 1320458), (17, 776740), (20, 660229), (34, 388370), (68, 194185), (71, 185980), (85, 155348), (142, 92990), (170, 77674), (284, 46495), (340, 38837), (355, 37196), (547, 24140), (710, 18598), (1094, 12070), (1207, 10940), (1420, 9299), (2188, 6035), (2414, 5470), (2735, 4828)]