66210160

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1811}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 154360656

約数和(自身を除く): 88150496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1811, 1828, 2285, 3622, 3656, 4570, 7244, 7312, 9055, 9140, 14488, 18110, 18280, 28976, 36220, 36560, 72440, 144880, 827627, 1655254, 3310508, 4138135, 6621016, 8276270, 13242032, 16552540, 33105080, 66210160]

約数ペア:

[(1, 66210160), (2, 33105080), (4, 16552540), (5, 13242032), (8, 8276270), (10, 6621016), (16, 4138135), (20, 3310508), (40, 1655254), (80, 827627), (457, 144880), (914, 72440), (1811, 36560), (1828, 36220), (2285, 28976), (3622, 18280), (3656, 18110), (4570, 14488), (7244, 9140), (7312, 9055)]