28452820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 65556288

約数和(自身を除く): 37103468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 457, 566, 914, 1132, 1415, 1828, 2285, 2830, 3113, 4570, 5027, 5660, 6226, 9140, 10054, 12452, 15565, 20108, 25135, 31130, 50270, 62260, 100540, 129331, 258662, 517324, 646655, 1293310, 1422641, 2586620, 2845282, 5690564, 7113205, 14226410, 28452820]

約数ペア:

[(1, 28452820), (2, 14226410), (4, 7113205), (5, 5690564), (10, 2845282), (11, 2586620), (20, 1422641), (22, 1293310), (44, 646655), (55, 517324), (110, 258662), (220, 129331), (283, 100540), (457, 62260), (566, 50270), (914, 31130), (1132, 25135), (1415, 20108), (1828, 15565), (2285, 12452), (2830, 10054), (3113, 9140), (4570, 6226), (5027, 5660)]