79819960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181409}}^1$

素因数の和:181431

約数の個数: 32

約数和(自身を含む): 195922800

約数和(自身を除く): 116102840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 181409, 362818, 725636, 907045, 1451272, 1814090, 1995499, 3628180, 3990998, 7256360, 7981996, 9977495, 15963992, 19954990, 39909980, 79819960]

約数ペア:

[(1, 79819960), (2, 39909980), (4, 19954990), (5, 15963992), (8, 9977495), (10, 7981996), (11, 7256360), (20, 3990998), (22, 3628180), (40, 1995499), (44, 1814090), (55, 1451272), (88, 907045), (110, 725636), (220, 362818), (440, 181409)]