80451400

素因数分解:

$2^3\times 5^2\times {\mathrm{433}}^1\times {\mathrm{929}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 187683300

約数和(自身を除く): 107231900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 433, 866, 929, 1732, 1858, 2165, 3464, 3716, 4330, 4645, 7432, 8660, 9290, 10825, 17320, 18580, 21650, 23225, 37160, 43300, 46450, 86600, 92900, 185800, 402257, 804514, 1609028, 2011285, 3218056, 4022570, 8045140, 10056425, 16090280, 20112850, 40225700, 80451400]

約数ペア:

[(1, 80451400), (2, 40225700), (4, 20112850), (5, 16090280), (8, 10056425), (10, 8045140), (20, 4022570), (25, 3218056), (40, 2011285), (50, 1609028), (100, 804514), (200, 402257), (433, 185800), (866, 92900), (929, 86600), (1732, 46450), (1858, 43300), (2165, 37160), (3464, 23225), (3716, 21650), (4330, 18580), (4645, 17320), (7432, 10825), (8660, 9290)]