39557180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 89921664

約数和(自身を除く): 50364484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 431, 706, 862, 1412, 1724, 1765, 2155, 3530, 4310, 4589, 5603, 7060, 8620, 9178, 11206, 18356, 22412, 22945, 28015, 45890, 56030, 91780, 112060, 152143, 304286, 608572, 760715, 1521430, 1977859, 3042860, 3955718, 7911436, 9889295, 19778590, 39557180]

約数ペア:

[(1, 39557180), (2, 19778590), (4, 9889295), (5, 7911436), (10, 3955718), (13, 3042860), (20, 1977859), (26, 1521430), (52, 760715), (65, 608572), (130, 304286), (260, 152143), (353, 112060), (431, 91780), (706, 56030), (862, 45890), (1412, 28015), (1724, 22945), (1765, 22412), (2155, 18356), (3530, 11206), (4310, 9178), (4589, 8620), (5603, 7060)]