71779760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69019}}^1$

素因数の和:69045

約数の個数: 40

約数和(自身を含む): 179728080

約数和(自身を除く): 107948320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69019, 138038, 276076, 345095, 552152, 690190, 897247, 1104304, 1380380, 1794494, 2760760, 3588988, 4486235, 5521520, 7177976, 8972470, 14355952, 17944940, 35889880, 71779760]

約数ペア:

[(1, 71779760), (2, 35889880), (4, 17944940), (5, 14355952), (8, 8972470), (10, 7177976), (13, 5521520), (16, 4486235), (20, 3588988), (26, 2760760), (40, 1794494), (52, 1380380), (65, 1104304), (80, 897247), (104, 690190), (130, 552152), (208, 345095), (260, 276076), (520, 138038), (1040, 69019)]