8270120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 11325400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 83, 94, 106, 166, 188, 212, 235, 265, 332, 376, 415, 424, 470, 530, 664, 830, 940, 1060, 1660, 1880, 2120, 2491, 3320, 3901, 4399, 4982, 7802, 8798, 9964, 12455, 15604, 17596, 19505, 19928, 21995, 24910, 31208, 35192, 39010, 43990, 49820, 78020, 87980, 99640, 156040, 175960, 206753, 413506, 827012, 1033765, 1654024, 2067530, 4135060, 8270120]

約数ペア:

[(1, 8270120), (2, 4135060), (4, 2067530), (5, 1654024), (8, 1033765), (10, 827012), (20, 413506), (40, 206753), (47, 175960), (53, 156040), (83, 99640), (94, 87980), (106, 78020), (166, 49820), (188, 43990), (212, 39010), (235, 35192), (265, 31208), (332, 24910), (376, 21995), (415, 19928), (424, 19505), (470, 17596), (530, 15604), (664, 12455), (830, 9964), (940, 8798), (1060, 7802), (1660, 4982), (1880, 4399), (2120, 3901), (2491, 3320)]