26486620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4001}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 55803888

約数和(自身を除く): 29317268

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 4001, 6620, 8002, 16004, 20005, 40010, 80020, 1324331, 2648662, 5297324, 6621655, 13243310, 26486620]

約数ペア:

[(1, 26486620), (2, 13243310), (4, 6621655), (5, 5297324), (10, 2648662), (20, 1324331), (331, 80020), (662, 40010), (1324, 20005), (1655, 16004), (3310, 8002), (4001, 6620)]