2250640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4019}}^1$

素因数の和:4039

約数の個数: 40

約数和(自身を含む): 5981760

約数和(自身を除く): 3731120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4019, 8038, 16076, 20095, 28133, 32152, 40190, 56266, 64304, 80380, 112532, 140665, 160760, 225064, 281330, 321520, 450128, 562660, 1125320, 2250640]

約数ペア:

[(1, 2250640), (2, 1125320), (4, 562660), (5, 450128), (7, 321520), (8, 281330), (10, 225064), (14, 160760), (16, 140665), (20, 112532), (28, 80380), (35, 64304), (40, 56266), (56, 40190), (70, 32152), (80, 28133), (112, 20095), (140, 16076), (280, 8038), (560, 4019)]