16540240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 40497408

約数和(自身を除く): 23957168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 53, 80, 83, 94, 106, 166, 188, 212, 235, 265, 332, 376, 415, 424, 470, 530, 664, 752, 830, 848, 940, 1060, 1328, 1660, 1880, 2120, 2491, 3320, 3760, 3901, 4240, 4399, 4982, 6640, 7802, 8798, 9964, 12455, 15604, 17596, 19505, 19928, 21995, 24910, 31208, 35192, 39010, 39856, 43990, 49820, 62416, 70384, 78020, 87980, 99640, 156040, 175960, 199280, 206753, 312080, 351920, 413506, 827012, 1033765, 1654024, 2067530, 3308048, 4135060, 8270120, 16540240]

約数ペア:

[(1, 16540240), (2, 8270120), (4, 4135060), (5, 3308048), (8, 2067530), (10, 1654024), (16, 1033765), (20, 827012), (40, 413506), (47, 351920), (53, 312080), (80, 206753), (83, 199280), (94, 175960), (106, 156040), (166, 99640), (188, 87980), (212, 78020), (235, 70384), (265, 62416), (332, 49820), (376, 43990), (415, 39856), (424, 39010), (470, 35192), (530, 31208), (664, 24910), (752, 21995), (830, 19928), (848, 19505), (940, 17596), (1060, 15604), (1328, 12455), (1660, 9964), (1880, 8798), (2120, 7802), (2491, 6640), (3320, 4982), (3760, 4399), (3901, 4240)]