28687480

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1549}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 64728000

約数和(自身を除く): 36040520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1549, 1852, 2315, 3098, 3704, 4630, 6196, 7745, 9260, 12392, 15490, 18520, 30980, 61960, 717187, 1434374, 2868748, 3585935, 5737496, 7171870, 14343740, 28687480]

約数ペア:

[(1, 28687480), (2, 14343740), (4, 7171870), (5, 5737496), (8, 3585935), (10, 2868748), (20, 1434374), (40, 717187), (463, 61960), (926, 30980), (1549, 18520), (1852, 15490), (2315, 12392), (3098, 9260), (3704, 7745), (4630, 6196)]