25080500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 55421184

約数和(自身を除く): 30340684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 487, 500, 515, 974, 1030, 1948, 2060, 2435, 2575, 4870, 5150, 9740, 10300, 12175, 12875, 24350, 25750, 48700, 50161, 51500, 60875, 100322, 121750, 200644, 243500, 250805, 501610, 1003220, 1254025, 2508050, 5016100, 6270125, 12540250, 25080500]

約数ペア:

[(1, 25080500), (2, 12540250), (4, 6270125), (5, 5016100), (10, 2508050), (20, 1254025), (25, 1003220), (50, 501610), (100, 250805), (103, 243500), (125, 200644), (206, 121750), (250, 100322), (412, 60875), (487, 51500), (500, 50161), (515, 48700), (974, 25750), (1030, 24350), (1948, 12875), (2060, 12175), (2435, 10300), (2575, 9740), (4870, 5150)]