25185220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14149}}^1$

素因数の和:14247

約数の個数: 24

約数和(自身を含む): 53487000

約数和(自身を除く): 28301780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14149, 28298, 56596, 70745, 141490, 282980, 1259261, 2518522, 5037044, 6296305, 12592610, 25185220]

約数ペア:

[(1, 25185220), (2, 12592610), (4, 6296305), (5, 5037044), (10, 2518522), (20, 1259261), (89, 282980), (178, 141490), (356, 70745), (445, 56596), (890, 28298), (1780, 14149)]