8691980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{39509}}^1$

素因数の和:39529

約数の個数: 24

約数和(自身を含む): 19913040

約数和(自身を除く): 11221060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 39509, 79018, 158036, 197545, 395090, 434599, 790180, 869198, 1738396, 2172995, 4345990, 8691980]

約数ペア:

[(1, 8691980), (2, 4345990), (4, 2172995), (5, 1738396), (10, 869198), (11, 790180), (20, 434599), (22, 395090), (44, 197545), (55, 158036), (110, 79018), (220, 39509)]