28863920

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1889}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 67495680

約数和(自身を除く): 38631760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1889, 1910, 3056, 3778, 3820, 7556, 7640, 9445, 15112, 15280, 18890, 30224, 37780, 75560, 151120, 360799, 721598, 1443196, 1803995, 2886392, 3607990, 5772784, 7215980, 14431960, 28863920]

約数ペア:

[(1, 28863920), (2, 14431960), (4, 7215980), (5, 5772784), (8, 3607990), (10, 2886392), (16, 1803995), (20, 1443196), (40, 721598), (80, 360799), (191, 151120), (382, 75560), (764, 37780), (955, 30224), (1528, 18890), (1889, 15280), (1910, 15112), (3056, 9445), (3778, 7640), (3820, 7556)]