66484820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 146361600

約数和(自身を除く): 79876780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1451, 1580, 2291, 2902, 4582, 5804, 7255, 9164, 11455, 14510, 22910, 29020, 42079, 45820, 84158, 114629, 168316, 210395, 229258, 420790, 458516, 573145, 841580, 1146290, 2292580, 3324241, 6648482, 13296964, 16621205, 33242410, 66484820]

約数ペア:

[(1, 66484820), (2, 33242410), (4, 16621205), (5, 13296964), (10, 6648482), (20, 3324241), (29, 2292580), (58, 1146290), (79, 841580), (116, 573145), (145, 458516), (158, 420790), (290, 229258), (316, 210395), (395, 168316), (580, 114629), (790, 84158), (1451, 45820), (1580, 42079), (2291, 29020), (2902, 22910), (4582, 14510), (5804, 11455), (7255, 9164)]