44882800

素因数分解:

$2^4\times 5^2\times {\mathrm{112207}}^1$

素因数の和:112225

約数の個数: 30

約数和(自身を含む): 107831888

約数和(自身を除く): 62949088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 112207, 224414, 448828, 561035, 897656, 1122070, 1795312, 2244140, 2805175, 4488280, 5610350, 8976560, 11220700, 22441400, 44882800]

約数ペア:

[(1, 44882800), (2, 22441400), (4, 11220700), (5, 8976560), (8, 5610350), (10, 4488280), (16, 2805175), (20, 2244140), (25, 1795312), (40, 1122070), (50, 897656), (80, 561035), (100, 448828), (200, 224414), (400, 112207)]