84864400

素因数分解:

$2^4\times 5^2\times {\mathrm{212161}}^1$

素因数の和:212179

約数の個数: 30

約数和(自身を含む): 203887682

約数和(自身を除く): 119023282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 212161, 424322, 848644, 1060805, 1697288, 2121610, 3394576, 4243220, 5304025, 8486440, 10608050, 16972880, 21216100, 42432200, 84864400]

約数ペア:

[(1, 84864400), (2, 42432200), (4, 21216100), (5, 16972880), (8, 10608050), (10, 8486440), (16, 5304025), (20, 4243220), (25, 3394576), (40, 2121610), (50, 1697288), (80, 1060805), (100, 848644), (200, 424322), (400, 212161)]