128568700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{98899}}^1$

素因数の和:98926

約数の個数: 36

約数和(自身を含む): 300458200

約数和(自身を除く): 171889500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 98899, 197798, 395596, 494495, 988990, 1285687, 1977980, 2472475, 2571374, 4944950, 5142748, 6428435, 9889900, 12856870, 25713740, 32142175, 64284350, 128568700]

約数ペア:

[(1, 128568700), (2, 64284350), (4, 32142175), (5, 25713740), (10, 12856870), (13, 9889900), (20, 6428435), (25, 5142748), (26, 4944950), (50, 2571374), (52, 2472475), (65, 1977980), (100, 1285687), (130, 988990), (260, 494495), (325, 395596), (650, 197798), (1300, 98899)]