28510640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18757}}^1$

素因数の和:18789

約数の個数: 40

約数和(自身を含む): 69779760

約数和(自身を除く): 41269120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18757, 37514, 75028, 93785, 150056, 187570, 300112, 356383, 375140, 712766, 750280, 1425532, 1500560, 1781915, 2851064, 3563830, 5702128, 7127660, 14255320, 28510640]

約数ペア:

[(1, 28510640), (2, 14255320), (4, 7127660), (5, 5702128), (8, 3563830), (10, 2851064), (16, 1781915), (19, 1500560), (20, 1425532), (38, 750280), (40, 712766), (76, 375140), (80, 356383), (95, 300112), (152, 187570), (190, 150056), (304, 93785), (380, 75028), (760, 37514), (1520, 18757)]