22181680

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 51894000

約数和(自身を除く): 29712320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1549, 1790, 2864, 3098, 3580, 6196, 7160, 7745, 12392, 14320, 15490, 24784, 30980, 61960, 123920, 277271, 554542, 1109084, 1386355, 2218168, 2772710, 4436336, 5545420, 11090840, 22181680]

約数ペア:

[(1, 22181680), (2, 11090840), (4, 5545420), (5, 4436336), (8, 2772710), (10, 2218168), (16, 1386355), (20, 1109084), (40, 554542), (80, 277271), (179, 123920), (358, 61960), (716, 30980), (895, 24784), (1432, 15490), (1549, 14320), (1790, 12392), (2864, 7745), (3098, 7160), (3580, 6196)]