550149680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{87049}}^1$

素因数の和:87141

約数の個数: 40

約数和(自身を含む): 1295304000

約数和(自身を除く): 745154320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 87049, 174098, 348196, 435245, 696392, 870490, 1392784, 1740980, 3481960, 6876871, 6963920, 13753742, 27507484, 34384355, 55014968, 68768710, 110029936, 137537420, 275074840, 550149680]

約数ペア:

[(1, 550149680), (2, 275074840), (4, 137537420), (5, 110029936), (8, 68768710), (10, 55014968), (16, 34384355), (20, 27507484), (40, 13753742), (79, 6963920), (80, 6876871), (158, 3481960), (316, 1740980), (395, 1392784), (632, 870490), (790, 696392), (1264, 435245), (1580, 348196), (3160, 174098), (6320, 87049)]