28872040

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1201}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 65124360

約数和(自身を除く): 36252320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1201, 1202, 2402, 2404, 3005, 4804, 4808, 6005, 6010, 9608, 12010, 12020, 24020, 24040, 48040, 721801, 1443602, 2887204, 3609005, 5774408, 7218010, 14436020, 28872040]

約数ペア:

[(1, 28872040), (2, 14436020), (4, 7218010), (5, 5774408), (8, 3609005), (10, 2887204), (20, 1443602), (40, 721801), (601, 48040), (1201, 24040), (1202, 24020), (2402, 12020), (2404, 12010), (3005, 9608), (4804, 6010), (4808, 6005)]