1036840120

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{25999}}^1$

素因数の和:27007

約数の個数: 32

約数和(自身を含む): 2335320000

約数和(自身を除く): 1298479880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 25999, 39880, 51998, 103996, 129995, 207992, 259990, 519980, 1039960, 25921003, 51842006, 103684012, 129605015, 207368024, 259210030, 518420060, 1036840120]

約数ペア:

[(1, 1036840120), (2, 518420060), (4, 259210030), (5, 207368024), (8, 129605015), (10, 103684012), (20, 51842006), (40, 25921003), (997, 1039960), (1994, 519980), (3988, 259990), (4985, 207992), (7976, 129995), (9970, 103996), (19940, 51998), (25999, 39880)]