90776320

素因数分解:

$2^8\times 5^1\times {\mathrm{70919}}^1$

素因数の和:70940

約数の個数: 36

約数和(自身を含む): 217440720

約数和(自身を除く): 126664400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70919, 141838, 283676, 354595, 567352, 709190, 1134704, 1418380, 2269408, 2836760, 4538816, 5673520, 9077632, 11347040, 18155264, 22694080, 45388160, 90776320]

約数ペア:

[(1, 90776320), (2, 45388160), (4, 22694080), (5, 18155264), (8, 11347040), (10, 9077632), (16, 5673520), (20, 4538816), (32, 2836760), (40, 2269408), (64, 1418380), (80, 1134704), (128, 709190), (160, 567352), (256, 354595), (320, 283676), (640, 141838), (1280, 70919)]