51988256560

素因数分解:

$2^4\times 5^1\times {\mathrm{649853207}}^1$

素因数の和:649853220

約数の個数: 20

約数和(自身を含む): 120872696688

約数和(自身を除く): 68884440128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649853207, 1299706414, 2599412828, 3249266035, 5198825656, 6498532070, 10397651312, 12997064140, 25994128280, 51988256560]

約数ペア:

[(1, 51988256560), (2, 25994128280), (4, 12997064140), (5, 10397651312), (8, 6498532070), (10, 5198825656), (16, 3249266035), (20, 2599412828), (40, 1299706414), (80, 649853207)]