68528680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{155747}}^1$

素因数の和:155769

約数の個数: 32

約数和(自身を含む): 168207840

約数和(自身を除く): 99679160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 155747, 311494, 622988, 778735, 1245976, 1557470, 1713217, 3114940, 3426434, 6229880, 6852868, 8566085, 13705736, 17132170, 34264340, 68528680]

約数ペア:

[(1, 68528680), (2, 34264340), (4, 17132170), (5, 13705736), (8, 8566085), (10, 6852868), (11, 6229880), (20, 3426434), (22, 3114940), (40, 1713217), (44, 1557470), (55, 1245976), (88, 778735), (110, 622988), (220, 311494), (440, 155747)]