17842040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3209}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 40446000

約数和(自身を除く): 22603960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3209, 5560, 6418, 12836, 16045, 25672, 32090, 64180, 128360, 446051, 892102, 1784204, 2230255, 3568408, 4460510, 8921020, 17842040]

約数ペア:

[(1, 17842040), (2, 8921020), (4, 4460510), (5, 3568408), (8, 2230255), (10, 1784204), (20, 892102), (40, 446051), (139, 128360), (278, 64180), (556, 32090), (695, 25672), (1112, 16045), (1390, 12836), (2780, 6418), (3209, 5560)]