11289580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 24837120

約数和(自身を除く): 13547540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 139, 155, 262, 278, 310, 524, 556, 620, 655, 695, 1310, 1390, 2620, 2780, 4061, 4309, 8122, 8618, 16244, 17236, 18209, 20305, 21545, 36418, 40610, 43090, 72836, 81220, 86180, 91045, 182090, 364180, 564479, 1128958, 2257916, 2822395, 5644790, 11289580]

約数ペア:

[(1, 11289580), (2, 5644790), (4, 2822395), (5, 2257916), (10, 1128958), (20, 564479), (31, 364180), (62, 182090), (124, 91045), (131, 86180), (139, 81220), (155, 72836), (262, 43090), (278, 40610), (310, 36418), (524, 21545), (556, 20305), (620, 18209), (655, 17236), (695, 16244), (1310, 8618), (1390, 8122), (2620, 4309), (2780, 4061)]