90421120

素因数分解:

$2^7\times 5^1\times {\mathrm{141283}}^1$

素因数の和:141302

約数の個数: 32

約数和(自身を含む): 216164520

約数和(自身を除く): 125743400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141283, 282566, 565132, 706415, 1130264, 1412830, 2260528, 2825660, 4521056, 5651320, 9042112, 11302640, 18084224, 22605280, 45210560, 90421120]

約数ペア:

[(1, 90421120), (2, 45210560), (4, 22605280), (5, 18084224), (8, 11302640), (10, 9042112), (16, 5651320), (20, 4521056), (32, 2825660), (40, 2260528), (64, 1412830), (80, 1130264), (128, 706415), (160, 565132), (320, 282566), (640, 141283)]