2055800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 5040600

約数和(自身を除く): 2984800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 541, 760, 950, 1082, 1900, 2164, 2705, 3800, 4328, 5410, 10279, 10820, 13525, 20558, 21640, 27050, 41116, 51395, 54100, 82232, 102790, 108200, 205580, 256975, 411160, 513950, 1027900, 2055800]

約数ペア:

[(1, 2055800), (2, 1027900), (4, 513950), (5, 411160), (8, 256975), (10, 205580), (19, 108200), (20, 102790), (25, 82232), (38, 54100), (40, 51395), (50, 41116), (76, 27050), (95, 21640), (100, 20558), (152, 13525), (190, 10820), (200, 10279), (380, 5410), (475, 4328), (541, 3800), (760, 2705), (950, 2164), (1082, 1900)]