131283100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{100987}}^1$

素因数の和:101014

約数の個数: 36

約数和(自身を含む): 306801544

約数和(自身を除く): 175518444

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 100987, 201974, 403948, 504935, 1009870, 1312831, 2019740, 2524675, 2625662, 5049350, 5251324, 6564155, 10098700, 13128310, 26256620, 32820775, 65641550, 131283100]

約数ペア:

[(1, 131283100), (2, 65641550), (4, 32820775), (5, 26256620), (10, 13128310), (13, 10098700), (20, 6564155), (25, 5251324), (26, 5049350), (50, 2625662), (52, 2524675), (65, 2019740), (100, 1312831), (130, 1009870), (260, 504935), (325, 403948), (650, 201974), (1300, 100987)]