22161220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 50702400

約数和(自身を除く): 28541180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2011, 2204, 2755, 4022, 5510, 8044, 10055, 11020, 20110, 38209, 40220, 58319, 76418, 116638, 152836, 191045, 233276, 291595, 382090, 583190, 764180, 1108061, 1166380, 2216122, 4432244, 5540305, 11080610, 22161220]

約数ペア:

[(1, 22161220), (2, 11080610), (4, 5540305), (5, 4432244), (10, 2216122), (19, 1166380), (20, 1108061), (29, 764180), (38, 583190), (58, 382090), (76, 291595), (95, 233276), (116, 191045), (145, 152836), (190, 116638), (290, 76418), (380, 58319), (551, 40220), (580, 38209), (1102, 20110), (2011, 11020), (2204, 10055), (2755, 8044), (4022, 5510)]