40139512

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6959}}^1$

素因数の和:7075

約数の個数: 32

約数和(自身を含む): 86860800

約数和(自身を除く): 46721288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 6959, 13918, 27836, 48713, 55672, 97426, 194852, 389704, 716777, 1433554, 2867108, 5017439, 5734216, 10034878, 20069756, 40139512]

約数ペア:

[(1, 40139512), (2, 20069756), (4, 10034878), (7, 5734216), (8, 5017439), (14, 2867108), (28, 1433554), (56, 716777), (103, 389704), (206, 194852), (412, 97426), (721, 55672), (824, 48713), (1442, 27836), (2884, 13918), (5768, 6959)]