201554960

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4657}}^1$

素因数の和:5211

約数の個数: 40

約数和(自身を含む): 469582296

約数和(自身を除く): 268027336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 4657, 5410, 8656, 9314, 10820, 18628, 21640, 23285, 37256, 43280, 46570, 74512, 93140, 186280, 372560, 2519437, 5038874, 10077748, 12597185, 20155496, 25194370, 40310992, 50388740, 100777480, 201554960]

約数ペア:

[(1, 201554960), (2, 100777480), (4, 50388740), (5, 40310992), (8, 25194370), (10, 20155496), (16, 12597185), (20, 10077748), (40, 5038874), (80, 2519437), (541, 372560), (1082, 186280), (2164, 93140), (2705, 74512), (4328, 46570), (4657, 43280), (5410, 37256), (8656, 23285), (9314, 21640), (10820, 18628)]