40870256

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3613}}^1$

素因数の和:3729

約数の個数: 40

約数和(自身を含む): 91419744

約数和(自身を除く): 50549488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 3613, 5656, 7226, 11312, 14452, 25291, 28904, 50582, 57808, 101164, 202328, 364913, 404656, 729826, 1459652, 2554391, 2919304, 5108782, 5838608, 10217564, 20435128, 40870256]

約数ペア:

[(1, 40870256), (2, 20435128), (4, 10217564), (7, 5838608), (8, 5108782), (14, 2919304), (16, 2554391), (28, 1459652), (56, 729826), (101, 404656), (112, 364913), (202, 202328), (404, 101164), (707, 57808), (808, 50582), (1414, 28904), (1616, 25291), (2828, 14452), (3613, 11312), (5656, 7226)]