2012103280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2286481}}^1$

素因数の和:2286505

約数の個数: 40

約数和(自身を含む): 5103427824

約数和(自身を除く): 3091324544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2286481, 4572962, 9145924, 11432405, 18291848, 22864810, 25151291, 36583696, 45729620, 50302582, 91459240, 100605164, 125756455, 182918480, 201210328, 251512910, 402420656, 503025820, 1006051640, 2012103280]

約数ペア:

[(1, 2012103280), (2, 1006051640), (4, 503025820), (5, 402420656), (8, 251512910), (10, 201210328), (11, 182918480), (16, 125756455), (20, 100605164), (22, 91459240), (40, 50302582), (44, 45729620), (55, 36583696), (80, 25151291), (88, 22864810), (110, 18291848), (176, 11432405), (220, 9145924), (440, 4572962), (880, 2286481)]