12450440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 28215000

約数和(自身を除く): 15764560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2089, 2980, 4178, 5960, 8356, 10445, 16712, 20890, 41780, 83560, 311261, 622522, 1245044, 1556305, 2490088, 3112610, 6225220, 12450440]

約数ペア:

[(1, 12450440), (2, 6225220), (4, 3112610), (5, 2490088), (8, 1556305), (10, 1245044), (20, 622522), (40, 311261), (149, 83560), (298, 41780), (596, 20890), (745, 16712), (1192, 10445), (1490, 8356), (2089, 5960), (2980, 4178)]