13238427820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{54287}}^1$

素因数の和:54522

約数の個数: 48

約数和(自身を含む): 28318792320

約数和(自身を除く): 15080364500

約数列:

[1, 2, 4, 5, 10, 20, 89, 137, 178, 274, 356, 445, 548, 685, 890, 1370, 1780, 2740, 12193, 24386, 48772, 54287, 60965, 108574, 121930, 217148, 243860, 271435, 542870, 1085740, 4831543, 7437319, 9663086, 14874638, 19326172, 24157715, 29749276, 37186595, 48315430, 74373190, 96630860, 148746380, 661921391, 1323842782, 2647685564, 3309606955, 6619213910, 13238427820]

約数ペア:

[(1, 13238427820), (2, 6619213910), (4, 3309606955), (5, 2647685564), (10, 1323842782), (20, 661921391), (89, 148746380), (137, 96630860), (178, 74373190), (274, 48315430), (356, 37186595), (445, 29749276), (548, 24157715), (685, 19326172), (890, 14874638), (1370, 9663086), (1780, 7437319), (2740, 4831543), (12193, 1085740), (24386, 542870), (48772, 271435), (54287, 243860), (60965, 217148), (108574, 121930)]