65108875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 88583040

約数和(自身を除く): 23474165

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 389, 515, 1339, 1625, 1945, 2575, 5057, 6695, 9725, 12875, 25285, 33475, 40067, 48625, 126425, 167375, 200335, 520871, 632125, 1001675, 2604355, 5008375, 13021775, 65108875]

約数ペア:

[(1, 65108875), (5, 13021775), (13, 5008375), (25, 2604355), (65, 1001675), (103, 632125), (125, 520871), (325, 200335), (389, 167375), (515, 126425), (1339, 48625), (1625, 40067), (1945, 33475), (2575, 25285), (5057, 12875), (6695, 9725)]