8131400

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 19130100

約数和(自身を除く): 10998700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 373, 436, 545, 746, 872, 1090, 1492, 1865, 2180, 2725, 2984, 3730, 4360, 5450, 7460, 9325, 10900, 14920, 18650, 21800, 37300, 40657, 74600, 81314, 162628, 203285, 325256, 406570, 813140, 1016425, 1626280, 2032850, 4065700, 8131400]

約数ペア:

[(1, 8131400), (2, 4065700), (4, 2032850), (5, 1626280), (8, 1016425), (10, 813140), (20, 406570), (25, 325256), (40, 203285), (50, 162628), (100, 81314), (109, 74600), (200, 40657), (218, 37300), (373, 21800), (436, 18650), (545, 14920), (746, 10900), (872, 9325), (1090, 7460), (1492, 5450), (1865, 4360), (2180, 3730), (2725, 2984)]