71191040

素因数分解:

$2^9\times 5^1\times {\mathrm{27809}}^1$

素因数の和:27832

約数の個数: 40

約数和(自身を含む): 170697780

約数和(自身を除く): 99506740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27809, 55618, 111236, 139045, 222472, 278090, 444944, 556180, 889888, 1112360, 1779776, 2224720, 3559552, 4449440, 7119104, 8898880, 14238208, 17797760, 35595520, 71191040]

約数ペア:

[(1, 71191040), (2, 35595520), (4, 17797760), (5, 14238208), (8, 8898880), (10, 7119104), (16, 4449440), (20, 3559552), (32, 2224720), (40, 1779776), (64, 1112360), (80, 889888), (128, 556180), (160, 444944), (256, 278090), (320, 222472), (512, 139045), (640, 111236), (1280, 55618), (2560, 27809)]