39782860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 91699776

約数和(自身を除く): 51916916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2887, 3445, 5774, 6890, 11548, 13780, 14435, 28870, 37531, 57740, 75062, 150124, 153011, 187655, 306022, 375310, 612044, 750620, 765055, 1530110, 1989143, 3060220, 3978286, 7956572, 9945715, 19891430, 39782860]

約数ペア:

[(1, 39782860), (2, 19891430), (4, 9945715), (5, 7956572), (10, 3978286), (13, 3060220), (20, 1989143), (26, 1530110), (52, 765055), (53, 750620), (65, 612044), (106, 375310), (130, 306022), (212, 187655), (260, 153011), (265, 150124), (530, 75062), (689, 57740), (1060, 37531), (1378, 28870), (2756, 14435), (2887, 13780), (3445, 11548), (5774, 6890)]