29967920

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{719}}^1$

素因数の和:1253

約数の個数: 40

約数和(自身を含む): 69906240

約数和(自身を除く): 39938320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 719, 1042, 1438, 2084, 2605, 2876, 3595, 4168, 5210, 5752, 7190, 8336, 10420, 11504, 14380, 20840, 28760, 41680, 57520, 374599, 749198, 1498396, 1872995, 2996792, 3745990, 5993584, 7491980, 14983960, 29967920]

約数ペア:

[(1, 29967920), (2, 14983960), (4, 7491980), (5, 5993584), (8, 3745990), (10, 2996792), (16, 1872995), (20, 1498396), (40, 749198), (80, 374599), (521, 57520), (719, 41680), (1042, 28760), (1438, 20840), (2084, 14380), (2605, 11504), (2876, 10420), (3595, 8336), (4168, 7190), (5210, 5752)]