51812000

素因数分解:

$2^5\times 5^3\times {\mathrm{12953}}^1$

素因数の和:12978

約数の個数: 48

約数和(自身を含む): 127311912

約数和(自身を除く): 75499912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 12953, 25906, 51812, 64765, 103624, 129530, 207248, 259060, 323825, 414496, 518120, 647650, 1036240, 1295300, 1619125, 2072480, 2590600, 3238250, 5181200, 6476500, 10362400, 12953000, 25906000, 51812000]

約数ペア:

[(1, 51812000), (2, 25906000), (4, 12953000), (5, 10362400), (8, 6476500), (10, 5181200), (16, 3238250), (20, 2590600), (25, 2072480), (32, 1619125), (40, 1295300), (50, 1036240), (80, 647650), (100, 518120), (125, 414496), (160, 323825), (200, 259060), (250, 207248), (400, 129530), (500, 103624), (800, 64765), (1000, 51812), (2000, 25906), (4000, 12953)]