79960816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20233}}^1$

素因数の和:20273

約数の個数: 40

約数和(自身を含む): 175631120

約数和(自身を除く): 95670304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20233, 40466, 80932, 161864, 263029, 323728, 384427, 526058, 768854, 1052116, 1537708, 2104232, 3075416, 4208464, 4997551, 6150832, 9995102, 19990204, 39980408, 79960816]

約数ペア:

[(1, 79960816), (2, 39980408), (4, 19990204), (8, 9995102), (13, 6150832), (16, 4997551), (19, 4208464), (26, 3075416), (38, 2104232), (52, 1537708), (76, 1052116), (104, 768854), (152, 526058), (208, 384427), (247, 323728), (304, 263029), (494, 161864), (988, 80932), (1976, 40466), (3952, 20233)]