79641520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142217}}^1$

素因数の和:142237

約数の個数: 40

約数和(自身を含む): 211620384

約数和(自身を除く): 131978864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142217, 284434, 568868, 711085, 995519, 1137736, 1422170, 1991038, 2275472, 2844340, 3982076, 4977595, 5688680, 7964152, 9955190, 11377360, 15928304, 19910380, 39820760, 79641520]

約数ペア:

[(1, 79641520), (2, 39820760), (4, 19910380), (5, 15928304), (7, 11377360), (8, 9955190), (10, 7964152), (14, 5688680), (16, 4977595), (20, 3982076), (28, 2844340), (35, 2275472), (40, 1991038), (56, 1422170), (70, 1137736), (80, 995519), (112, 711085), (140, 568868), (280, 284434), (560, 142217)]