40781872

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19457}}^1$

素因数の和:19596

約数の個数: 20

約数和(自身を含む): 79622136

約数和(自身を除く): 38840264

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19457, 38914, 77828, 155656, 311312, 2548867, 5097734, 10195468, 20390936, 40781872]

約数ペア:

[(1, 40781872), (2, 20390936), (4, 10195468), (8, 5097734), (16, 2548867), (131, 311312), (262, 155656), (524, 77828), (1048, 38914), (2096, 19457)]