1348291640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{171103}}^1$

素因数の和:171311

約数の個数: 32

約数和(自身を含む): 3049073280

約数和(自身を除く): 1700781640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 171103, 342206, 684412, 855515, 1368824, 1711030, 3422060, 6844120, 33707291, 67414582, 134829164, 168536455, 269658328, 337072910, 674145820, 1348291640]

約数ペア:

[(1, 1348291640), (2, 674145820), (4, 337072910), (5, 269658328), (8, 168536455), (10, 134829164), (20, 67414582), (40, 33707291), (197, 6844120), (394, 3422060), (788, 1711030), (985, 1368824), (1576, 855515), (1970, 684412), (3940, 342206), (7880, 171103)]