40505986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 65894400

約数和(自身を除く): 25388414

約数列:

[1, 2, 19, 38, 79, 103, 131, 158, 206, 262, 1501, 1957, 2489, 3002, 3914, 4978, 8137, 10349, 13493, 16274, 20698, 26986, 154603, 196631, 256367, 309206, 393262, 512734, 1065947, 2131894, 20252993, 40505986]

約数ペア:

[(1, 40505986), (2, 20252993), (19, 2131894), (38, 1065947), (79, 512734), (103, 393262), (131, 309206), (158, 256367), (206, 196631), (262, 154603), (1501, 26986), (1957, 20698), (2489, 16274), (3002, 13493), (3914, 10349), (4978, 8137)]