39986890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5737}}^1$

素因数の和:5802

約数の個数: 32

約数和(自身を含む): 78082704

約数和(自身を除く): 38095814

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 5737, 6970, 11474, 28685, 57370, 97529, 195058, 235217, 470434, 487645, 975290, 1176085, 2352170, 3998689, 7997378, 19993445, 39986890]

約数ペア:

[(1, 39986890), (2, 19993445), (5, 7997378), (10, 3998689), (17, 2352170), (34, 1176085), (41, 975290), (82, 487645), (85, 470434), (170, 235217), (205, 195058), (410, 97529), (697, 57370), (1394, 28685), (3485, 11474), (5737, 6970)]