30590960

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{983}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 71379360

約数和(自身を除く): 40788400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 983, 1556, 1945, 1966, 3112, 3890, 3932, 4915, 6224, 7780, 7864, 9830, 15560, 15728, 19660, 31120, 39320, 78640, 382387, 764774, 1529548, 1911935, 3059096, 3823870, 6118192, 7647740, 15295480, 30590960]

約数ペア:

[(1, 30590960), (2, 15295480), (4, 7647740), (5, 6118192), (8, 3823870), (10, 3059096), (16, 1911935), (20, 1529548), (40, 764774), (80, 382387), (389, 78640), (778, 39320), (983, 31120), (1556, 19660), (1945, 15728), (1966, 15560), (3112, 9830), (3890, 7864), (3932, 7780), (4915, 6224)]