25564780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 55732320

約数和(自身を除く): 30167540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 179, 185, 193, 358, 370, 386, 716, 740, 772, 895, 965, 1790, 1930, 3580, 3860, 6623, 7141, 13246, 14282, 26492, 28564, 33115, 34547, 35705, 66230, 69094, 71410, 132460, 138188, 142820, 172735, 345470, 690940, 1278239, 2556478, 5112956, 6391195, 12782390, 25564780]

約数ペア:

[(1, 25564780), (2, 12782390), (4, 6391195), (5, 5112956), (10, 2556478), (20, 1278239), (37, 690940), (74, 345470), (148, 172735), (179, 142820), (185, 138188), (193, 132460), (358, 71410), (370, 69094), (386, 66230), (716, 35705), (740, 34547), (772, 33115), (895, 28564), (965, 26492), (1790, 14282), (1930, 13246), (3580, 7141), (3860, 6623)]