63855640

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2003}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 143927280

約数和(自身を除く): 80071640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2003, 3188, 3985, 4006, 6376, 7970, 8012, 10015, 15940, 16024, 20030, 31880, 40060, 80120, 1596391, 3192782, 6385564, 7981955, 12771128, 15963910, 31927820, 63855640]

約数ペア:

[(1, 63855640), (2, 31927820), (4, 15963910), (5, 12771128), (8, 7981955), (10, 6385564), (20, 3192782), (40, 1596391), (797, 80120), (1594, 40060), (2003, 31880), (3188, 20030), (3985, 16024), (4006, 15940), (6376, 10015), (7970, 8012)]