90609040

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4861}}^1$

素因数の和:5107

約数の個数: 40

約数和(自身を含む): 211613688

約数和(自身を除く): 121004648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 4861, 9320, 9722, 18640, 19444, 24305, 38888, 48610, 77776, 97220, 194440, 388880, 1132613, 2265226, 4530452, 5663065, 9060904, 11326130, 18121808, 22652260, 45304520, 90609040]

約数ペア:

[(1, 90609040), (2, 45304520), (4, 22652260), (5, 18121808), (8, 11326130), (10, 9060904), (16, 5663065), (20, 4530452), (40, 2265226), (80, 1132613), (233, 388880), (466, 194440), (932, 97220), (1165, 77776), (1864, 48610), (2330, 38888), (3728, 24305), (4660, 19444), (4861, 18640), (9320, 9722)]