40259312

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{8039}}^1$

素因数の和:8360

約数の個数: 20

約数和(自身を含む): 78261360

約数和(自身を除く): 38002048

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 8039, 16078, 32156, 64312, 128624, 2516207, 5032414, 10064828, 20129656, 40259312]

約数ペア:

[(1, 40259312), (2, 20129656), (4, 10064828), (8, 5032414), (16, 2516207), (313, 128624), (626, 64312), (1252, 32156), (2504, 16078), (5008, 8039)]