2005390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6469}}^1$

素因数の和:6507

約数の個数: 16

約数和(自身を含む): 3726720

約数和(自身を除く): 1721330

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6469, 12938, 32345, 64690, 200539, 401078, 1002695, 2005390]

約数ペア:

[(1, 2005390), (2, 1002695), (5, 401078), (10, 200539), (31, 64690), (62, 32345), (155, 12938), (310, 6469)]