8698040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 21621600

約数和(自身を除く): 12923560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 389, 430, 520, 559, 778, 860, 1118, 1556, 1720, 1945, 2236, 2795, 3112, 3890, 4472, 5057, 5590, 7780, 10114, 11180, 15560, 16727, 20228, 22360, 25285, 33454, 40456, 50570, 66908, 83635, 101140, 133816, 167270, 202280, 217451, 334540, 434902, 669080, 869804, 1087255, 1739608, 2174510, 4349020, 8698040]

約数ペア:

[(1, 8698040), (2, 4349020), (4, 2174510), (5, 1739608), (8, 1087255), (10, 869804), (13, 669080), (20, 434902), (26, 334540), (40, 217451), (43, 202280), (52, 167270), (65, 133816), (86, 101140), (104, 83635), (130, 66908), (172, 50570), (215, 40456), (260, 33454), (344, 25285), (389, 22360), (430, 20228), (520, 16727), (559, 15560), (778, 11180), (860, 10114), (1118, 7780), (1556, 5590), (1720, 5057), (1945, 4472), (2236, 3890), (2795, 3112)]