520056280

素因数分解:

$2^3\times 5^1\times {\mathrm{13001407}}^1$

素因数の和:13001418

約数の個数: 16

約数和(自身を含む): 1170126720

約数和(自身を除く): 650070440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001407, 26002814, 52005628, 65007035, 104011256, 130014070, 260028140, 520056280]

約数ペア:

[(1, 520056280), (2, 260028140), (4, 130014070), (5, 104011256), (8, 65007035), (10, 52005628), (20, 26002814), (40, 13001407)]