8490843920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{628021}}^1$

素因数の和:628060

約数の個数: 60

約数和(自身を含む): 21376612836

約数和(自身を除く): 12885768916

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 628021, 1256042, 2512084, 3140105, 5024168, 6280210, 8164273, 10048336, 12560420, 16328546, 25120840, 32657092, 40821365, 50241680, 65314184, 81642730, 106135549, 130628368, 163285460, 212271098, 326570920, 424542196, 530677745, 653141840, 849084392, 1061355490, 1698168784, 2122710980, 4245421960, 8490843920]

約数ペア:

[(1, 8490843920), (2, 4245421960), (4, 2122710980), (5, 1698168784), (8, 1061355490), (10, 849084392), (13, 653141840), (16, 530677745), (20, 424542196), (26, 326570920), (40, 212271098), (52, 163285460), (65, 130628368), (80, 106135549), (104, 81642730), (130, 65314184), (169, 50241680), (208, 40821365), (260, 32657092), (338, 25120840), (520, 16328546), (676, 12560420), (845, 10048336), (1040, 8164273), (1352, 6280210), (1690, 5024168), (2704, 3140105), (3380, 2512084), (6760, 1256042), (13520, 628021)]