55159780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{601}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 125307504

約数和(自身を除く): 70147724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 601, 706, 1202, 1412, 1765, 2404, 3005, 3530, 4589, 6010, 7060, 7813, 9178, 12020, 15626, 18356, 22945, 31252, 39065, 45890, 78130, 91780, 156260, 212153, 424306, 848612, 1060765, 2121530, 2757989, 4243060, 5515978, 11031956, 13789945, 27579890, 55159780]

約数ペア:

[(1, 55159780), (2, 27579890), (4, 13789945), (5, 11031956), (10, 5515978), (13, 4243060), (20, 2757989), (26, 2121530), (52, 1060765), (65, 848612), (130, 424306), (260, 212153), (353, 156260), (601, 91780), (706, 78130), (1202, 45890), (1412, 39065), (1765, 31252), (2404, 22945), (3005, 18356), (3530, 15626), (4589, 12020), (6010, 9178), (7060, 7813)]