11887720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22861}}^1$

素因数の和:22885

約数の個数: 32

約数和(自身を含む): 28806120

約数和(自身を除く): 16918400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 22861, 45722, 91444, 114305, 182888, 228610, 297193, 457220, 594386, 914440, 1188772, 1485965, 2377544, 2971930, 5943860, 11887720]

約数ペア:

[(1, 11887720), (2, 5943860), (4, 2971930), (5, 2377544), (8, 1485965), (10, 1188772), (13, 914440), (20, 594386), (26, 457220), (40, 297193), (52, 228610), (65, 182888), (104, 114305), (130, 91444), (260, 45722), (520, 22861)]