23720816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 56424960

約数和(自身を除く): 32704144

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 157, 266, 284, 304, 314, 497, 532, 568, 628, 994, 1064, 1099, 1136, 1256, 1349, 1988, 2128, 2198, 2512, 2698, 2983, 3976, 4396, 5396, 5966, 7952, 8792, 9443, 10792, 11147, 11932, 17584, 18886, 20881, 21584, 22294, 23864, 37772, 41762, 44588, 47728, 75544, 78029, 83524, 89176, 151088, 156058, 167048, 178352, 211793, 312116, 334096, 423586, 624232, 847172, 1248464, 1482551, 1694344, 2965102, 3388688, 5930204, 11860408, 23720816]

約数ペア:

[(1, 23720816), (2, 11860408), (4, 5930204), (7, 3388688), (8, 2965102), (14, 1694344), (16, 1482551), (19, 1248464), (28, 847172), (38, 624232), (56, 423586), (71, 334096), (76, 312116), (112, 211793), (133, 178352), (142, 167048), (152, 156058), (157, 151088), (266, 89176), (284, 83524), (304, 78029), (314, 75544), (497, 47728), (532, 44588), (568, 41762), (628, 37772), (994, 23864), (1064, 22294), (1099, 21584), (1136, 20881), (1256, 18886), (1349, 17584), (1988, 11932), (2128, 11147), (2198, 10792), (2512, 9443), (2698, 8792), (2983, 7952), (3976, 5966), (4396, 5396)]