129490640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34439}}^1$

素因数の和:34499

約数の個数: 40

約数和(自身を含む): 307480320

約数和(自身を除く): 177989680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 34439, 68878, 137756, 172195, 275512, 344390, 551024, 688780, 1377560, 1618633, 2755120, 3237266, 6474532, 8093165, 12949064, 16186330, 25898128, 32372660, 64745320, 129490640]

約数ペア:

[(1, 129490640), (2, 64745320), (4, 32372660), (5, 25898128), (8, 16186330), (10, 12949064), (16, 8093165), (20, 6474532), (40, 3237266), (47, 2755120), (80, 1618633), (94, 1377560), (188, 688780), (235, 551024), (376, 344390), (470, 275512), (752, 172195), (940, 137756), (1880, 68878), (3760, 34439)]