25604540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98479}}^1$

素因数の和:98501

約数の個数: 24

約数和(自身を含む): 57906240

約数和(自身を除く): 32301700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98479, 196958, 393916, 492395, 984790, 1280227, 1969580, 2560454, 5120908, 6401135, 12802270, 25604540]

約数ペア:

[(1, 25604540), (2, 12802270), (4, 6401135), (5, 5120908), (10, 2560454), (13, 1969580), (20, 1280227), (26, 984790), (52, 492395), (65, 393916), (130, 196958), (260, 98479)]