28332640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 78490944

約数和(自身を除く): 50158304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 560, 574, 617, 656, 820, 1120, 1148, 1234, 1312, 1435, 1640, 2296, 2468, 2870, 3085, 3280, 4319, 4592, 4936, 5740, 6170, 6560, 8638, 9184, 9872, 11480, 12340, 17276, 19744, 21595, 22960, 24680, 25297, 34552, 43190, 45920, 49360, 50594, 69104, 86380, 98720, 101188, 126485, 138208, 172760, 177079, 202376, 252970, 345520, 354158, 404752, 505940, 691040, 708316, 809504, 885395, 1011880, 1416632, 1770790, 2023760, 2833264, 3541580, 4047520, 5666528, 7083160, 14166320, 28332640]

約数ペア:

[(1, 28332640), (2, 14166320), (4, 7083160), (5, 5666528), (7, 4047520), (8, 3541580), (10, 2833264), (14, 2023760), (16, 1770790), (20, 1416632), (28, 1011880), (32, 885395), (35, 809504), (40, 708316), (41, 691040), (56, 505940), (70, 404752), (80, 354158), (82, 345520), (112, 252970), (140, 202376), (160, 177079), (164, 172760), (205, 138208), (224, 126485), (280, 101188), (287, 98720), (328, 86380), (410, 69104), (560, 50594), (574, 49360), (617, 45920), (656, 43190), (820, 34552), (1120, 25297), (1148, 24680), (1234, 22960), (1312, 21595), (1435, 19744), (1640, 17276), (2296, 12340), (2468, 11480), (2870, 9872), (3085, 9184), (3280, 8638), (4319, 6560), (4592, 6170), (4936, 5740)]