16866250

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 40

約数和(自身を含む): 32164704

約数和(自身を除く): 15298454

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 131, 206, 250, 262, 515, 625, 655, 1030, 1250, 1310, 2575, 3275, 5150, 6550, 12875, 13493, 16375, 25750, 26986, 32750, 64375, 67465, 81875, 128750, 134930, 163750, 337325, 674650, 1686625, 3373250, 8433125, 16866250]

約数ペア:

[(1, 16866250), (2, 8433125), (5, 3373250), (10, 1686625), (25, 674650), (50, 337325), (103, 163750), (125, 134930), (131, 128750), (206, 81875), (250, 67465), (262, 64375), (515, 32750), (625, 26986), (655, 25750), (1030, 16375), (1250, 13493), (1310, 12875), (2575, 6550), (3275, 5150)]