28141600

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1262

約数の個数: 72

約数和(自身を含む): 71128260

約数和(自身を除く): 42986660

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, 1213, 1450, 2320, 2426, 2900, 4640, 4852, 5800, 6065, 9704, 11600, 12130, 19408, 23200, 24260, 30325, 35177, 38816, 48520, 60650, 70354, 97040, 121300, 140708, 175885, 194080, 242600, 281416, 351770, 485200, 562832, 703540, 879425, 970400, 1125664, 1407080, 1758850, 2814160, 3517700, 5628320, 7035400, 14070800, 28141600]

約数ペア:

[(1, 28141600), (2, 14070800), (4, 7035400), (5, 5628320), (8, 3517700), (10, 2814160), (16, 1758850), (20, 1407080), (25, 1125664), (29, 970400), (32, 879425), (40, 703540), (50, 562832), (58, 485200), (80, 351770), (100, 281416), (116, 242600), (145, 194080), (160, 175885), (200, 140708), (232, 121300), (290, 97040), (400, 70354), (464, 60650), (580, 48520), (725, 38816), (800, 35177), (928, 30325), (1160, 24260), (1213, 23200), (1450, 19408), (2320, 12130), (2426, 11600), (2900, 9704), (4640, 6065), (4852, 5800)]