80424640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2591}}^1$

素因数の和:2705

約数の個数: 56

約数和(自身を含む): 193560192

約数和(自身を除く): 113135552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 2591, 3104, 3880, 5182, 6208, 7760, 10364, 12955, 15520, 20728, 25910, 31040, 41456, 51820, 82912, 103640, 165824, 207280, 251327, 414560, 502654, 829120, 1005308, 1256635, 2010616, 2513270, 4021232, 5026540, 8042464, 10053080, 16084928, 20106160, 40212320, 80424640]

約数ペア:

[(1, 80424640), (2, 40212320), (4, 20106160), (5, 16084928), (8, 10053080), (10, 8042464), (16, 5026540), (20, 4021232), (32, 2513270), (40, 2010616), (64, 1256635), (80, 1005308), (97, 829120), (160, 502654), (194, 414560), (320, 251327), (388, 207280), (485, 165824), (776, 103640), (970, 82912), (1552, 51820), (1940, 41456), (2591, 31040), (3104, 25910), (3880, 20728), (5182, 15520), (6208, 12955), (7760, 10364)]