90571640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78079}}^1$

素因数の和:78119

約数の個数: 32

約数和(自身を含む): 210816000

約数和(自身を除く): 120244360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 78079, 156158, 312316, 390395, 624632, 780790, 1561580, 2264291, 3123160, 4528582, 9057164, 11321455, 18114328, 22642910, 45285820, 90571640]

約数ペア:

[(1, 90571640), (2, 45285820), (4, 22642910), (5, 18114328), (8, 11321455), (10, 9057164), (20, 4528582), (29, 3123160), (40, 2264291), (58, 1561580), (116, 780790), (145, 624632), (232, 390395), (290, 312316), (580, 156158), (1160, 78079)]