90254720

素因数分解:

$2^7\times 5^1\times {\mathrm{141023}}^1$

素因数の和:141042

約数の個数: 32

約数和(自身を含む): 215766720

約数和(自身を除く): 125512000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141023, 282046, 564092, 705115, 1128184, 1410230, 2256368, 2820460, 4512736, 5640920, 9025472, 11281840, 18050944, 22563680, 45127360, 90254720]

約数ペア:

[(1, 90254720), (2, 45127360), (4, 22563680), (5, 18050944), (8, 11281840), (10, 9025472), (16, 5640920), (20, 4512736), (32, 2820460), (40, 2256368), (64, 1410230), (80, 1128184), (128, 705115), (160, 564092), (320, 282046), (640, 141023)]