5148520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9925

約数の個数: 32

約数和(自身を含む): 12476520

約数和(自身を除く): 7328000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 9901, 19802, 39604, 49505, 79208, 99010, 128713, 198020, 257426, 396040, 514852, 643565, 1029704, 1287130, 2574260, 5148520]

約数ペア:

[(1, 5148520), (2, 2574260), (4, 1287130), (5, 1029704), (8, 643565), (10, 514852), (13, 396040), (20, 257426), (26, 198020), (40, 128713), (52, 99010), (65, 79208), (104, 49505), (130, 39604), (260, 19802), (520, 9901)]