159804520

素因数分解:

$2^3\times 5^1\times {\mathrm{3995113}}^1$

素因数の和:3995124

約数の個数: 16

約数和(自身を含む): 359560260

約数和(自身を除く): 199755740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3995113, 7990226, 15980452, 19975565, 31960904, 39951130, 79902260, 159804520]

約数ペア:

[(1, 159804520), (2, 79902260), (4, 39951130), (5, 31960904), (8, 19975565), (10, 15980452), (20, 7990226), (40, 3995113)]