256804516760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1025741}}^1$

素因数の和:1026332

約数の個数: 64

約数和(自身を含む): 631446775200

約数和(自身を除く): 374642258440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 569, 1138, 2276, 2845, 4552, 5690, 6259, 11380, 12518, 22760, 25036, 31295, 50072, 62590, 125180, 250360, 1025741, 2051482, 4102964, 5128705, 8205928, 10257410, 11283151, 20514820, 22566302, 41029640, 45132604, 56415755, 90265208, 112831510, 225663020, 451326040, 583646629, 1167293258, 2334586516, 2918233145, 4669173032, 5836466290, 6420112919, 11672932580, 12840225838, 23345865160, 25680451676, 32100564595, 51360903352, 64201129190, 128402258380, 256804516760]

約数ペア:

[(1, 256804516760), (2, 128402258380), (4, 64201129190), (5, 51360903352), (8, 32100564595), (10, 25680451676), (11, 23345865160), (20, 12840225838), (22, 11672932580), (40, 6420112919), (44, 5836466290), (55, 4669173032), (88, 2918233145), (110, 2334586516), (220, 1167293258), (440, 583646629), (569, 451326040), (1138, 225663020), (2276, 112831510), (2845, 90265208), (4552, 56415755), (5690, 45132604), (6259, 41029640), (11380, 22566302), (12518, 20514820), (22760, 11283151), (25036, 10257410), (31295, 8205928), (50072, 5128705), (62590, 4102964), (125180, 2051482), (250360, 1025741)]