7131280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6883

約数の個数: 40

約数和(自身を含む): 17858232

約数和(自身を除く): 10726952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6857, 13714, 27428, 34285, 54856, 68570, 89141, 109712, 137140, 178282, 274280, 356564, 445705, 548560, 713128, 891410, 1426256, 1782820, 3565640, 7131280]

約数ペア:

[(1, 7131280), (2, 3565640), (4, 1782820), (5, 1426256), (8, 891410), (10, 713128), (13, 548560), (16, 445705), (20, 356564), (26, 274280), (40, 178282), (52, 137140), (65, 109712), (80, 89141), (104, 68570), (130, 54856), (208, 34285), (260, 27428), (520, 13714), (1040, 6857)]