80857280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36097}}^1$

素因数の和:36121

約数の個数: 56

約数和(自身を含む): 220053408

約数和(自身を除く): 139196128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36097, 72194, 144388, 180485, 252679, 288776, 360970, 505358, 577552, 721940, 1010716, 1155104, 1263395, 1443880, 2021432, 2310208, 2526790, 2887760, 4042864, 5053580, 5775520, 8085728, 10107160, 11551040, 16171456, 20214320, 40428640, 80857280]

約数ペア:

[(1, 80857280), (2, 40428640), (4, 20214320), (5, 16171456), (7, 11551040), (8, 10107160), (10, 8085728), (14, 5775520), (16, 5053580), (20, 4042864), (28, 2887760), (32, 2526790), (35, 2310208), (40, 2021432), (56, 1443880), (64, 1263395), (70, 1155104), (80, 1010716), (112, 721940), (140, 577552), (160, 505358), (224, 360970), (280, 288776), (320, 252679), (448, 180485), (560, 144388), (1120, 72194), (2240, 36097)]