22170797720

素因数分解:

$2^3\times 5^1\times {\mathrm{18919}}^1\times {\mathrm{29297}}^1$

素因数の和:48227

約数の個数: 32

約数和(自身を含む): 49888634400

約数和(自身を除く): 27717836680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18919, 29297, 37838, 58594, 75676, 94595, 117188, 146485, 151352, 189190, 234376, 292970, 378380, 585940, 756760, 1171880, 554269943, 1108539886, 2217079772, 2771349715, 4434159544, 5542699430, 11085398860, 22170797720]

約数ペア:

[(1, 22170797720), (2, 11085398860), (4, 5542699430), (5, 4434159544), (8, 2771349715), (10, 2217079772), (20, 1108539886), (40, 554269943), (18919, 1171880), (29297, 756760), (37838, 585940), (58594, 378380), (75676, 292970), (94595, 234376), (117188, 189190), (146485, 151352)]