40120816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{147503}}^1$

素因数の和:147528

約数の個数: 20

約数和(自身を含む): 82307232

約数和(自身を除く): 42186416

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 147503, 295006, 590012, 1180024, 2360048, 2507551, 5015102, 10030204, 20060408, 40120816]

約数ペア:

[(1, 40120816), (2, 20060408), (4, 10030204), (8, 5015102), (16, 2507551), (17, 2360048), (34, 1180024), (68, 590012), (136, 295006), (272, 147503)]