9640280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18539}}^1$

素因数の和:18563

約数の個数: 32

約数和(自身を含む): 23360400

約数和(自身を除く): 13720120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 18539, 37078, 74156, 92695, 148312, 185390, 241007, 370780, 482014, 741560, 964028, 1205035, 1928056, 2410070, 4820140, 9640280]

約数ペア:

[(1, 9640280), (2, 4820140), (4, 2410070), (5, 1928056), (8, 1205035), (10, 964028), (13, 741560), (20, 482014), (26, 370780), (40, 241007), (52, 185390), (65, 148312), (104, 92695), (130, 74156), (260, 37078), (520, 18539)]