12670400

素因数分解:

$2^6\times 5^2\times {\mathrm{7919}}^1$

素因数の和:7941

約数の個数: 42

約数和(自身を含む): 31181040

約数和(自身を除く): 18510640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 7919, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 197975, 253408, 316760, 395950, 506816, 633520, 791900, 1267040, 1583800, 2534080, 3167600, 6335200, 12670400]

約数ペア:

[(1, 12670400), (2, 6335200), (4, 3167600), (5, 2534080), (8, 1583800), (10, 1267040), (16, 791900), (20, 633520), (25, 506816), (32, 395950), (40, 316760), (50, 253408), (64, 197975), (80, 158380), (100, 126704), (160, 79190), (200, 63352), (320, 39595), (400, 31676), (800, 15838), (1600, 7919)]