10781980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49009}}^1$

素因数の和:49029

約数の個数: 24

約数和(自身を含む): 24701040

約数和(自身を除く): 13919060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 49009, 98018, 196036, 245045, 490090, 539099, 980180, 1078198, 2156396, 2695495, 5390990, 10781980]

約数ペア:

[(1, 10781980), (2, 5390990), (4, 2695495), (5, 2156396), (10, 1078198), (11, 980180), (20, 539099), (22, 490090), (44, 245045), (55, 196036), (110, 98018), (220, 49009)]