25960120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6301}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 58986720

約数和(自身を除く): 33026600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6301, 12602, 25204, 31505, 50408, 63010, 126020, 252040, 649003, 1298006, 2596012, 3245015, 5192024, 6490030, 12980060, 25960120]

約数ペア:

[(1, 25960120), (2, 12980060), (4, 6490030), (5, 5192024), (8, 3245015), (10, 2596012), (20, 1298006), (40, 649003), (103, 252040), (206, 126020), (412, 63010), (515, 50408), (824, 31505), (1030, 25204), (2060, 12602), (4120, 6301)]