40163216

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{18059}}^1$

素因数の和:18206

約数の個数: 20

約数和(自身を含む): 78380400

約数和(自身を除く): 38217184

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 18059, 36118, 72236, 144472, 288944, 2510201, 5020402, 10040804, 20081608, 40163216]

約数ペア:

[(1, 40163216), (2, 20081608), (4, 10040804), (8, 5020402), (16, 2510201), (139, 288944), (278, 144472), (556, 72236), (1112, 36118), (2224, 18059)]