2018257040

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{113131}}^1$

素因数の和:113367

約数の個数: 40

約数和(自身を含む): 4713531648

約数和(自身を除く): 2695274608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 113131, 226262, 452524, 565655, 905048, 1131310, 1810096, 2262620, 4525240, 9050480, 25228213, 50456426, 100912852, 126141065, 201825704, 252282130, 403651408, 504564260, 1009128520, 2018257040]

約数ペア:

[(1, 2018257040), (2, 1009128520), (4, 504564260), (5, 403651408), (8, 252282130), (10, 201825704), (16, 126141065), (20, 100912852), (40, 50456426), (80, 25228213), (223, 9050480), (446, 4525240), (892, 2262620), (1115, 1810096), (1784, 1131310), (2230, 905048), (3568, 565655), (4460, 452524), (8920, 226262), (17840, 113131)]