40338004

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16187}}^1$

素因数の和:16287

約数の個数: 24

約数和(自身を含む): 81587520

約数和(自身を除く): 41249516

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 16187, 32374, 64748, 113309, 226618, 453236, 1440643, 2881286, 5762572, 10084501, 20169002, 40338004]

約数ペア:

[(1, 40338004), (2, 20169002), (4, 10084501), (7, 5762572), (14, 2881286), (28, 1440643), (89, 453236), (178, 226618), (356, 113309), (623, 64748), (1246, 32374), (2492, 16187)]