8268520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15925

約数の個数: 32

約数和(自身を含む): 20036520

約数和(自身を除く): 11768000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15901, 31802, 63604, 79505, 127208, 159010, 206713, 318020, 413426, 636040, 826852, 1033565, 1653704, 2067130, 4134260, 8268520]

約数ペア:

[(1, 8268520), (2, 4134260), (4, 2067130), (5, 1653704), (8, 1033565), (10, 826852), (13, 636040), (20, 413426), (26, 318020), (40, 206713), (52, 159010), (65, 127208), (104, 79505), (130, 63604), (260, 31802), (520, 15901)]