89819860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345461}}^1$

素因数の和:345483

約数の個数: 24

約数和(自身を含む): 203131656

約数和(自身を除く): 113311796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 345461, 690922, 1381844, 1727305, 3454610, 4490993, 6909220, 8981986, 17963972, 22454965, 44909930, 89819860]

約数ペア:

[(1, 89819860), (2, 44909930), (4, 22454965), (5, 17963972), (10, 8981986), (13, 6909220), (20, 4490993), (26, 3454610), (52, 1727305), (65, 1381844), (130, 690922), (260, 345461)]