39995590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 75271680

約数和(自身を除く): 35276090

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 1979, 2021, 3958, 4042, 9895, 10105, 19790, 20210, 85097, 93013, 170194, 186026, 425485, 465065, 850970, 930130, 3999559, 7999118, 19997795, 39995590]

約数ペア:

[(1, 39995590), (2, 19997795), (5, 7999118), (10, 3999559), (43, 930130), (47, 850970), (86, 465065), (94, 425485), (215, 186026), (235, 170194), (430, 93013), (470, 85097), (1979, 20210), (2021, 19790), (3958, 10105), (4042, 9895)]