39811520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{2539}}^1$

素因数の和:2570

約数の個数: 84

約数和(自身を含む): 110322360

約数和(自身を除く): 70510840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 2539, 3136, 3920, 5078, 7840, 10156, 12695, 15680, 17773, 20312, 25390, 35546, 40624, 50780, 71092, 81248, 88865, 101560, 124411, 142184, 162496, 177730, 203120, 248822, 284368, 355460, 406240, 497644, 568736, 622055, 710920, 812480, 995288, 1137472, 1244110, 1421840, 1990576, 2488220, 2843680, 3981152, 4976440, 5687360, 7962304, 9952880, 19905760, 39811520]

約数ペア:

[(1, 39811520), (2, 19905760), (4, 9952880), (5, 7962304), (7, 5687360), (8, 4976440), (10, 3981152), (14, 2843680), (16, 2488220), (20, 1990576), (28, 1421840), (32, 1244110), (35, 1137472), (40, 995288), (49, 812480), (56, 710920), (64, 622055), (70, 568736), (80, 497644), (98, 406240), (112, 355460), (140, 284368), (160, 248822), (196, 203120), (224, 177730), (245, 162496), (280, 142184), (320, 124411), (392, 101560), (448, 88865), (490, 81248), (560, 71092), (784, 50780), (980, 40624), (1120, 35546), (1568, 25390), (1960, 20312), (2240, 17773), (2539, 15680), (3136, 12695), (3920, 10156), (5078, 7840)]