90064280

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2861}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 202973040

約数和(自身を除く): 112908760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 2861, 3148, 3935, 5722, 6296, 7870, 11444, 14305, 15740, 22888, 28610, 31480, 57220, 114440, 2251607, 4503214, 9006428, 11258035, 18012856, 22516070, 45032140, 90064280]

約数ペア:

[(1, 90064280), (2, 45032140), (4, 22516070), (5, 18012856), (8, 11258035), (10, 9006428), (20, 4503214), (40, 2251607), (787, 114440), (1574, 57220), (2861, 31480), (3148, 28610), (3935, 22888), (5722, 15740), (6296, 14305), (7870, 11444)]