13738880

素因数分解:

$2^7\times 5^1\times {\mathrm{21467}}^1$

素因数の和:21486

約数の個数: 32

約数和(自身を含む): 32846040

約数和(自身を除く): 19107160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21467, 42934, 85868, 107335, 171736, 214670, 343472, 429340, 686944, 858680, 1373888, 1717360, 2747776, 3434720, 6869440, 13738880]

約数ペア:

[(1, 13738880), (2, 6869440), (4, 3434720), (5, 2747776), (8, 1717360), (10, 1373888), (16, 858680), (20, 686944), (32, 429340), (40, 343472), (64, 214670), (80, 171736), (128, 107335), (160, 85868), (320, 42934), (640, 21467)]