51209080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98479}}^1$

素因数の和:98503

約数の個数: 32

約数和(自身を含む): 124084800

約数和(自身を除く): 72875720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98479, 196958, 393916, 492395, 787832, 984790, 1280227, 1969580, 2560454, 3939160, 5120908, 6401135, 10241816, 12802270, 25604540, 51209080]

約数ペア:

[(1, 51209080), (2, 25604540), (4, 12802270), (5, 10241816), (8, 6401135), (10, 5120908), (13, 3939160), (20, 2560454), (26, 1969580), (40, 1280227), (52, 984790), (65, 787832), (104, 492395), (130, 393916), (260, 196958), (520, 98479)]