80952800

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 72

約数和(自身を含む): 201924576

約数和(自身を除く): 120971776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 752, 800, 940, 1175, 1504, 1880, 2153, 2350, 3760, 4306, 4700, 7520, 8612, 9400, 10765, 17224, 18800, 21530, 34448, 37600, 43060, 53825, 68896, 86120, 101191, 107650, 172240, 202382, 215300, 344480, 404764, 430600, 505955, 809528, 861200, 1011910, 1619056, 1722400, 2023820, 2529775, 3238112, 4047640, 5059550, 8095280, 10119100, 16190560, 20238200, 40476400, 80952800]

約数ペア:

[(1, 80952800), (2, 40476400), (4, 20238200), (5, 16190560), (8, 10119100), (10, 8095280), (16, 5059550), (20, 4047640), (25, 3238112), (32, 2529775), (40, 2023820), (47, 1722400), (50, 1619056), (80, 1011910), (94, 861200), (100, 809528), (160, 505955), (188, 430600), (200, 404764), (235, 344480), (376, 215300), (400, 202382), (470, 172240), (752, 107650), (800, 101191), (940, 86120), (1175, 68896), (1504, 53825), (1880, 43060), (2153, 37600), (2350, 34448), (3760, 21530), (4306, 18800), (4700, 17224), (7520, 10765), (8612, 9400)]