207628880

素因数分解:

$2^4\times 5^1\times {\mathrm{1201}}^1\times {\mathrm{2161}}^1$

素因数の和:3375

約数の個数: 40

約数和(自身を含む): 483362664

約数和(自身を除く): 275733784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1201, 2161, 2402, 4322, 4804, 6005, 8644, 9608, 10805, 12010, 17288, 19216, 21610, 24020, 34576, 43220, 48040, 86440, 96080, 172880, 2595361, 5190722, 10381444, 12976805, 20762888, 25953610, 41525776, 51907220, 103814440, 207628880]

約数ペア:

[(1, 207628880), (2, 103814440), (4, 51907220), (5, 41525776), (8, 25953610), (10, 20762888), (16, 12976805), (20, 10381444), (40, 5190722), (80, 2595361), (1201, 172880), (2161, 96080), (2402, 86440), (4322, 48040), (4804, 43220), (6005, 34576), (8644, 24020), (9608, 21610), (10805, 19216), (12010, 17288)]