2007760880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809581}}^1$

素因数の和:809625

約数の個数: 40

約数和(自身を含む): 4818632064

約数和(自身を除く): 2810871184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 809581, 1619162, 3238324, 4047905, 6476648, 8095810, 12953296, 16191620, 25097011, 32383240, 50194022, 64766480, 100388044, 125485055, 200776088, 250970110, 401552176, 501940220, 1003880440, 2007760880]

約数ペア:

[(1, 2007760880), (2, 1003880440), (4, 501940220), (5, 401552176), (8, 250970110), (10, 200776088), (16, 125485055), (20, 100388044), (31, 64766480), (40, 50194022), (62, 32383240), (80, 25097011), (124, 16191620), (155, 12953296), (248, 8095810), (310, 6476648), (496, 4047905), (620, 3238324), (1240, 1619162), (2480, 809581)]