173418640

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{3221}}^1$

素因数の和:3907

約数の個数: 40

約数和(自身を含む): 403922808

約数和(自身を除く): 230504168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2692, 3221, 3365, 5384, 6442, 6730, 10768, 12884, 13460, 16105, 25768, 26920, 32210, 51536, 53840, 64420, 128840, 257680, 2167733, 4335466, 8670932, 10838665, 17341864, 21677330, 34683728, 43354660, 86709320, 173418640]

約数ペア:

[(1, 173418640), (2, 86709320), (4, 43354660), (5, 34683728), (8, 21677330), (10, 17341864), (16, 10838665), (20, 8670932), (40, 4335466), (80, 2167733), (673, 257680), (1346, 128840), (2692, 64420), (3221, 53840), (3365, 51536), (5384, 32210), (6442, 26920), (6730, 25768), (10768, 16105), (12884, 13460)]