89730880

素因数分解:

$2^6\times 5^1\times {\mathrm{280409}}^1$

素因数の和:280426

約数の個数: 28

約数和(自身を含む): 213672420

約数和(自身を除く): 123941540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 280409, 560818, 1121636, 1402045, 2243272, 2804090, 4486544, 5608180, 8973088, 11216360, 17946176, 22432720, 44865440, 89730880]

約数ペア:

[(1, 89730880), (2, 44865440), (4, 22432720), (5, 17946176), (8, 11216360), (10, 8973088), (16, 5608180), (20, 4486544), (32, 2804090), (40, 2243272), (64, 1402045), (80, 1121636), (160, 560818), (320, 280409)]