12220475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 16150752

約数和(自身を除く): 3930277

約数列:

[1, 5, 23, 25, 53, 115, 265, 401, 575, 1219, 1325, 2005, 6095, 9223, 10025, 21253, 30475, 46115, 106265, 230575, 488819, 531325, 2444095, 12220475]

約数ペア:

[(1, 12220475), (5, 2444095), (23, 531325), (25, 488819), (53, 230575), (115, 106265), (265, 46115), (401, 30475), (575, 21253), (1219, 10025), (1325, 9223), (2005, 6095)]