19682800

素因数分解:

$2^4\times 5^2\times {\mathrm{49207}}^1$

素因数の和:49225

約数の個数: 30

約数和(自身を含む): 47288888

約数和(自身を除く): 27606088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49207, 98414, 196828, 246035, 393656, 492070, 787312, 984140, 1230175, 1968280, 2460350, 3936560, 4920700, 9841400, 19682800]

約数ペア:

[(1, 19682800), (2, 9841400), (4, 4920700), (5, 3936560), (8, 2460350), (10, 1968280), (16, 1230175), (20, 984140), (25, 787312), (40, 492070), (50, 393656), (80, 246035), (100, 196828), (200, 98414), (400, 49207)]