84207680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3331}}^1$

素因数の和:3427

約数の個数: 56

約数和(自身を含む): 203118720

約数和(自身を除く): 118911040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 3331, 5056, 6320, 6662, 12640, 13324, 16655, 25280, 26648, 33310, 53296, 66620, 106592, 133240, 213184, 263149, 266480, 526298, 532960, 1052596, 1065920, 1315745, 2105192, 2631490, 4210384, 5262980, 8420768, 10525960, 16841536, 21051920, 42103840, 84207680]

約数ペア:

[(1, 84207680), (2, 42103840), (4, 21051920), (5, 16841536), (8, 10525960), (10, 8420768), (16, 5262980), (20, 4210384), (32, 2631490), (40, 2105192), (64, 1315745), (79, 1065920), (80, 1052596), (158, 532960), (160, 526298), (316, 266480), (320, 263149), (395, 213184), (632, 133240), (790, 106592), (1264, 66620), (1580, 53296), (2528, 33310), (3160, 26648), (3331, 25280), (5056, 16655), (6320, 13324), (6662, 12640)]