201550040

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{7487}}^1$

素因数の和:8171

約数の個数: 32

約数和(自身を含む): 454222080

約数和(自身を除く): 252672040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 7487, 13460, 14974, 26920, 29948, 37435, 59896, 74870, 149740, 299480, 5038751, 10077502, 20155004, 25193755, 40310008, 50387510, 100775020, 201550040]

約数ペア:

[(1, 201550040), (2, 100775020), (4, 50387510), (5, 40310008), (8, 25193755), (10, 20155004), (20, 10077502), (40, 5038751), (673, 299480), (1346, 149740), (2692, 74870), (3365, 59896), (5384, 37435), (6730, 29948), (7487, 26920), (13460, 14974)]