13980142070

素因数分解:

$2^1\times 5^1\times {\mathrm{40013}}^1\times {\mathrm{34939}}^1$

素因数の和:74959

約数の個数: 16

約数和(自身を含む): 25165604880

約数和(自身を除く): 11185462810

約数列:

[1, 2, 5, 10, 34939, 40013, 69878, 80026, 174695, 200065, 349390, 400130, 1398014207, 2796028414, 6990071035, 13980142070]

約数ペア:

[(1, 13980142070), (2, 6990071035), (5, 2796028414), (10, 1398014207), (34939, 400130), (40013, 349390), (69878, 200065), (80026, 174695)]