9278620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 21224448

約数和(自身を除く): 11945828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 281, 508, 562, 635, 1124, 1270, 1405, 1651, 2540, 2810, 3302, 3653, 5620, 6604, 7306, 8255, 14612, 16510, 18265, 33020, 35687, 36530, 71374, 73060, 142748, 178435, 356870, 463931, 713740, 927862, 1855724, 2319655, 4639310, 9278620]

約数ペア:

[(1, 9278620), (2, 4639310), (4, 2319655), (5, 1855724), (10, 927862), (13, 713740), (20, 463931), (26, 356870), (52, 178435), (65, 142748), (127, 73060), (130, 71374), (254, 36530), (260, 35687), (281, 33020), (508, 18265), (562, 16510), (635, 14612), (1124, 8255), (1270, 7306), (1405, 6604), (1651, 5620), (2540, 3653), (2810, 3302)]