22221550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2011}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 47153232

約数和(自身を除く): 24931682

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2011, 2210, 4022, 5525, 10055, 11050, 20110, 26143, 34187, 50275, 52286, 68374, 100550, 130715, 170935, 261430, 341870, 444431, 653575, 854675, 888862, 1307150, 1709350, 2222155, 4444310, 11110775, 22221550]

約数ペア:

[(1, 22221550), (2, 11110775), (5, 4444310), (10, 2222155), (13, 1709350), (17, 1307150), (25, 888862), (26, 854675), (34, 653575), (50, 444431), (65, 341870), (85, 261430), (130, 170935), (170, 130715), (221, 100550), (325, 68374), (425, 52286), (442, 50275), (650, 34187), (850, 26143), (1105, 20110), (2011, 11050), (2210, 10055), (4022, 5525)]