6490640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 16459884

約数和(自身を除く): 9969244

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 3160, 4108, 5135, 6241, 6320, 8216, 10270, 12482, 16432, 20540, 24964, 31205, 41080, 49928, 62410, 81133, 82160, 99856, 124820, 162266, 249640, 324532, 405665, 499280, 649064, 811330, 1298128, 1622660, 3245320, 6490640]

約数ペア:

[(1, 6490640), (2, 3245320), (4, 1622660), (5, 1298128), (8, 811330), (10, 649064), (13, 499280), (16, 405665), (20, 324532), (26, 249640), (40, 162266), (52, 124820), (65, 99856), (79, 82160), (80, 81133), (104, 62410), (130, 49928), (158, 41080), (208, 31205), (260, 24964), (316, 20540), (395, 16432), (520, 12482), (632, 10270), (790, 8216), (1027, 6320), (1040, 6241), (1264, 5135), (1580, 4108), (2054, 3160)]