12267980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3907}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 25933488

約数和(自身を除く): 13665508

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 3907, 7814, 15628, 19535, 39070, 78140, 613399, 1226798, 2453596, 3066995, 6133990, 12267980]

約数ペア:

[(1, 12267980), (2, 6133990), (4, 3066995), (5, 2453596), (10, 1226798), (20, 613399), (157, 78140), (314, 39070), (628, 19535), (785, 15628), (1570, 7814), (3140, 3907)]