90021280

素因数分解:

$2^5\times 5^1\times {\mathrm{562633}}^1$

素因数の和:562648

約数の個数: 24

約数和(自身を含む): 212675652

約数和(自身を除く): 122654372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 562633, 1125266, 2250532, 2813165, 4501064, 5626330, 9002128, 11252660, 18004256, 22505320, 45010640, 90021280]

約数ペア:

[(1, 90021280), (2, 45010640), (4, 22505320), (5, 18004256), (8, 11252660), (10, 9002128), (16, 5626330), (20, 4501064), (32, 2813165), (40, 2250532), (80, 1125266), (160, 562633)]