269040080

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2609}}^1$

素因数の和:3911

約数の個数: 40

約数和(自身を含む): 626243400

約数和(自身を除く): 357203320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 2578, 2609, 5156, 5218, 6445, 10312, 10436, 12890, 13045, 20624, 20872, 25780, 26090, 41744, 51560, 52180, 103120, 104360, 208720, 3363001, 6726002, 13452004, 16815005, 26904008, 33630010, 53808016, 67260020, 134520040, 269040080]

約数ペア:

[(1, 269040080), (2, 134520040), (4, 67260020), (5, 53808016), (8, 33630010), (10, 26904008), (16, 16815005), (20, 13452004), (40, 6726002), (80, 3363001), (1289, 208720), (2578, 104360), (2609, 103120), (5156, 52180), (5218, 51560), (6445, 41744), (10312, 26090), (10436, 25780), (12890, 20872), (13045, 20624)]