200812120

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{6299}}^1$

素因数の和:7107

約数の個数: 32

約数和(自身を含む): 452466000

約数和(自身を除く): 251653880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6299, 6376, 7970, 12598, 15940, 25196, 31495, 31880, 50392, 62990, 125980, 251960, 5020303, 10040606, 20081212, 25101515, 40162424, 50203030, 100406060, 200812120]

約数ペア:

[(1, 200812120), (2, 100406060), (4, 50203030), (5, 40162424), (8, 25101515), (10, 20081212), (20, 10040606), (40, 5020303), (797, 251960), (1594, 125980), (3188, 62990), (3985, 50392), (6299, 31880), (6376, 31495), (7970, 25196), (12598, 15940)]