4045400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 9541800

約数和(自身を除く): 5496400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 179, 200, 226, 358, 452, 565, 716, 895, 904, 1130, 1432, 1790, 2260, 2825, 3580, 4475, 4520, 5650, 7160, 8950, 11300, 17900, 20227, 22600, 35800, 40454, 80908, 101135, 161816, 202270, 404540, 505675, 809080, 1011350, 2022700, 4045400]

約数ペア:

[(1, 4045400), (2, 2022700), (4, 1011350), (5, 809080), (8, 505675), (10, 404540), (20, 202270), (25, 161816), (40, 101135), (50, 80908), (100, 40454), (113, 35800), (179, 22600), (200, 20227), (226, 17900), (358, 11300), (452, 8950), (565, 7160), (716, 5650), (895, 4520), (904, 4475), (1130, 3580), (1432, 2825), (1790, 2260)]