2079308920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3998671}}^1$

素因数の和:3998695

約数の個数: 32

約数和(自身を含む): 5038326720

約数和(自身を除く): 2959017800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3998671, 7997342, 15994684, 19993355, 31989368, 39986710, 51982723, 79973420, 103965446, 159946840, 207930892, 259913615, 415861784, 519827230, 1039654460, 2079308920]

約数ペア:

[(1, 2079308920), (2, 1039654460), (4, 519827230), (5, 415861784), (8, 259913615), (10, 207930892), (13, 159946840), (20, 103965446), (26, 79973420), (40, 51982723), (52, 39986710), (65, 31989368), (104, 19993355), (130, 15994684), (260, 7997342), (520, 3998671)]