16518280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11161}}^1$

素因数の和:11209

約数の個数: 32

約数和(自身を含む): 38174040

約数和(自身を除く): 21655760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 11161, 22322, 44644, 55805, 89288, 111610, 223220, 412957, 446440, 825914, 1651828, 2064785, 3303656, 4129570, 8259140, 16518280]

約数ペア:

[(1, 16518280), (2, 8259140), (4, 4129570), (5, 3303656), (8, 2064785), (10, 1651828), (20, 825914), (37, 446440), (40, 412957), (74, 223220), (148, 111610), (185, 89288), (296, 55805), (370, 44644), (740, 22322), (1480, 11161)]