28424290000

素因数分解:

$2^4\times 5^4\times {\mathrm{43}}^1\times {\mathrm{66103}}^1$

素因数の和:66174

約数の個数: 100

約数和(自身を含む): 70419533536

約数和(自身を除く): 41995243536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 125, 172, 200, 215, 250, 344, 400, 430, 500, 625, 688, 860, 1000, 1075, 1250, 1720, 2000, 2150, 2500, 3440, 4300, 5000, 5375, 8600, 10000, 10750, 17200, 21500, 26875, 43000, 53750, 66103, 86000, 107500, 132206, 215000, 264412, 330515, 430000, 528824, 661030, 1057648, 1322060, 1652575, 2644120, 2842429, 3305150, 5288240, 5684858, 6610300, 8262875, 11369716, 13220600, 14212145, 16525750, 22739432, 26441200, 28424290, 33051500, 41314375, 45478864, 56848580, 66103000, 71060725, 82628750, 113697160, 132206000, 142121450, 165257500, 227394320, 284242900, 330515000, 355303625, 568485800, 661030000, 710607250, 1136971600, 1421214500, 1776518125, 2842429000, 3553036250, 5684858000, 7106072500, 14212145000, 28424290000]

約数ペア:

[(1, 28424290000), (2, 14212145000), (4, 7106072500), (5, 5684858000), (8, 3553036250), (10, 2842429000), (16, 1776518125), (20, 1421214500), (25, 1136971600), (40, 710607250), (43, 661030000), (50, 568485800), (80, 355303625), (86, 330515000), (100, 284242900), (125, 227394320), (172, 165257500), (200, 142121450), (215, 132206000), (250, 113697160), (344, 82628750), (400, 71060725), (430, 66103000), (500, 56848580), (625, 45478864), (688, 41314375), (860, 33051500), (1000, 28424290), (1075, 26441200), (1250, 22739432), (1720, 16525750), (2000, 14212145), (2150, 13220600), (2500, 11369716), (3440, 8262875), (4300, 6610300), (5000, 5684858), (5375, 5288240), (8600, 3305150), (10000, 2842429), (10750, 2644120), (17200, 1652575), (21500, 1322060), (26875, 1057648), (43000, 661030), (53750, 528824), (66103, 430000), (86000, 330515), (107500, 264412), (132206, 215000)]