13003750

素因数分解:

$2^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 40

約数和(自身を含む): 24854544

約数和(自身を除く): 11850794

約数列:

[1, 2, 5, 10, 25, 50, 101, 103, 125, 202, 206, 250, 505, 515, 625, 1010, 1030, 1250, 2525, 2575, 5050, 5150, 10403, 12625, 12875, 20806, 25250, 25750, 52015, 63125, 64375, 104030, 126250, 128750, 260075, 520150, 1300375, 2600750, 6501875, 13003750]

約数ペア:

[(1, 13003750), (2, 6501875), (5, 2600750), (10, 1300375), (25, 520150), (50, 260075), (101, 128750), (103, 126250), (125, 104030), (202, 64375), (206, 63125), (250, 52015), (505, 25750), (515, 25250), (625, 20806), (1010, 12875), (1030, 12625), (1250, 10403), (2525, 5150), (2575, 5050)]