201066400

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1979}}^1$

素因数の和:2126

約数の個数: 72

約数和(自身を含む): 494968320

約数和(自身を除く): 293901920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 1979, 2032, 2540, 3175, 3958, 4064, 5080, 6350, 7916, 9895, 10160, 12700, 15832, 19790, 20320, 25400, 31664, 39580, 49475, 50800, 63328, 79160, 98950, 101600, 158320, 197900, 251333, 316640, 395800, 502666, 791600, 1005332, 1256665, 1583200, 2010664, 2513330, 4021328, 5026660, 6283325, 8042656, 10053320, 12566650, 20106640, 25133300, 40213280, 50266600, 100533200, 201066400]

約数ペア:

[(1, 201066400), (2, 100533200), (4, 50266600), (5, 40213280), (8, 25133300), (10, 20106640), (16, 12566650), (20, 10053320), (25, 8042656), (32, 6283325), (40, 5026660), (50, 4021328), (80, 2513330), (100, 2010664), (127, 1583200), (160, 1256665), (200, 1005332), (254, 791600), (400, 502666), (508, 395800), (635, 316640), (800, 251333), (1016, 197900), (1270, 158320), (1979, 101600), (2032, 98950), (2540, 79160), (3175, 63328), (3958, 50800), (4064, 49475), (5080, 39580), (6350, 31664), (7916, 25400), (9895, 20320), (10160, 19790), (12700, 15832)]