8136440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15647}}^1$

素因数の和:15671

約数の個数: 32

約数和(自身を含む): 19716480

約数和(自身を除く): 11580040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15647, 31294, 62588, 78235, 125176, 156470, 203411, 312940, 406822, 625880, 813644, 1017055, 1627288, 2034110, 4068220, 8136440]

約数ペア:

[(1, 8136440), (2, 4068220), (4, 2034110), (5, 1627288), (8, 1017055), (10, 813644), (13, 625880), (20, 406822), (26, 312940), (40, 203411), (52, 156470), (65, 125176), (104, 78235), (130, 62588), (260, 31294), (520, 15647)]