28214060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 68597760

約数和(自身を除く): 40383700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2551, 2765, 5102, 5530, 10204, 11060, 12755, 17857, 25510, 35714, 51020, 71428, 89285, 178570, 201529, 357140, 403058, 806116, 1007645, 1410703, 2015290, 2821406, 4030580, 5642812, 7053515, 14107030, 28214060]

約数ペア:

[(1, 28214060), (2, 14107030), (4, 7053515), (5, 5642812), (7, 4030580), (10, 2821406), (14, 2015290), (20, 1410703), (28, 1007645), (35, 806116), (70, 403058), (79, 357140), (140, 201529), (158, 178570), (316, 89285), (395, 71428), (553, 51020), (790, 35714), (1106, 25510), (1580, 17857), (2212, 12755), (2551, 11060), (2765, 10204), (5102, 5530)]