66560650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{7877}}^1$

素因数の和:7915

約数の個数: 36

約数和(自身を含む): 134075682

約数和(自身を除く): 67515032

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 7877, 8450, 15754, 39385, 78770, 102401, 196925, 204802, 393850, 512005, 1024010, 1331213, 2560025, 2662426, 5120050, 6656065, 13312130, 33280325, 66560650]

約数ペア:

[(1, 66560650), (2, 33280325), (5, 13312130), (10, 6656065), (13, 5120050), (25, 2662426), (26, 2560025), (50, 1331213), (65, 1024010), (130, 512005), (169, 393850), (325, 204802), (338, 196925), (650, 102401), (845, 78770), (1690, 39385), (4225, 15754), (7877, 8450)]