86727280

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5503}}^1$

素因数の和:5713

約数の個数: 40

約数和(自身を含む): 202701312

約数和(自身を除く): 115974032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5503, 7880, 11006, 15760, 22012, 27515, 44024, 55030, 88048, 110060, 220120, 440240, 1084091, 2168182, 4336364, 5420455, 8672728, 10840910, 17345456, 21681820, 43363640, 86727280]

約数ペア:

[(1, 86727280), (2, 43363640), (4, 21681820), (5, 17345456), (8, 10840910), (10, 8672728), (16, 5420455), (20, 4336364), (40, 2168182), (80, 1084091), (197, 440240), (394, 220120), (788, 110060), (985, 88048), (1576, 55030), (1970, 44024), (3152, 27515), (3940, 22012), (5503, 15760), (7880, 11006)]