40804816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{196177}}^1$

素因数の和:196198

約数の個数: 20

約数和(自身を含む): 85141252

約数和(自身を除く): 44336436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 196177, 392354, 784708, 1569416, 2550301, 3138832, 5100602, 10201204, 20402408, 40804816]

約数ペア:

[(1, 40804816), (2, 20402408), (4, 10201204), (8, 5100602), (13, 3138832), (16, 2550301), (26, 1569416), (52, 784708), (104, 392354), (208, 196177)]