1098490640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1056241}}^1$

素因数の和:1056267

約数の個数: 40

約数和(自身を含む): 2750454168

約数和(自身を除く): 1651963528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1056241, 2112482, 4224964, 5281205, 8449928, 10562410, 13731133, 16899856, 21124820, 27462266, 42249640, 54924532, 68655665, 84499280, 109849064, 137311330, 219698128, 274622660, 549245320, 1098490640]

約数ペア:

[(1, 1098490640), (2, 549245320), (4, 274622660), (5, 219698128), (8, 137311330), (10, 109849064), (13, 84499280), (16, 68655665), (20, 54924532), (26, 42249640), (40, 27462266), (52, 21124820), (65, 16899856), (80, 13731133), (104, 10562410), (130, 8449928), (208, 5281205), (260, 4224964), (520, 2112482), (1040, 1056241)]