15696440080

素因数分解:

$2^4\times 5^1\times {\mathrm{196205501}}^1$

素因数の和:196205514

約数の個数: 20

約数和(自身を含む): 36494223372

約数和(自身を除く): 20797783292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196205501, 392411002, 784822004, 981027505, 1569644008, 1962055010, 3139288016, 3924110020, 7848220040, 15696440080]

約数ペア:

[(1, 15696440080), (2, 7848220040), (4, 3924110020), (5, 3139288016), (8, 1962055010), (10, 1569644008), (16, 981027505), (20, 784822004), (40, 392411002), (80, 196205501)]