28512800

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 72

約数和(自身を含む): 72065700

約数和(自身を除く): 43552900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 928, 1160, 1229, 1450, 2320, 2458, 2900, 4640, 4916, 5800, 6145, 9832, 11600, 12290, 19664, 23200, 24580, 30725, 35641, 39328, 49160, 61450, 71282, 98320, 122900, 142564, 178205, 196640, 245800, 285128, 356410, 491600, 570256, 712820, 891025, 983200, 1140512, 1425640, 1782050, 2851280, 3564100, 5702560, 7128200, 14256400, 28512800]

約数ペア:

[(1, 28512800), (2, 14256400), (4, 7128200), (5, 5702560), (8, 3564100), (10, 2851280), (16, 1782050), (20, 1425640), (25, 1140512), (29, 983200), (32, 891025), (40, 712820), (50, 570256), (58, 491600), (80, 356410), (100, 285128), (116, 245800), (145, 196640), (160, 178205), (200, 142564), (232, 122900), (290, 98320), (400, 71282), (464, 61450), (580, 49160), (725, 39328), (800, 35641), (928, 30725), (1160, 24580), (1229, 23200), (1450, 19664), (2320, 12290), (2458, 11600), (2900, 9832), (4640, 6145), (4916, 5800)]