80790736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20483

約数の個数: 40

約数和(自身を含む): 177453920

約数和(自身を除く): 96663184

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20443, 40886, 81772, 163544, 265759, 327088, 388417, 531518, 776834, 1063036, 1553668, 2126072, 3107336, 4252144, 5049421, 6214672, 10098842, 20197684, 40395368, 80790736]

約数ペア:

[(1, 80790736), (2, 40395368), (4, 20197684), (8, 10098842), (13, 6214672), (16, 5049421), (19, 4252144), (26, 3107336), (38, 2126072), (52, 1553668), (76, 1063036), (104, 776834), (152, 531518), (208, 388417), (247, 327088), (304, 265759), (494, 163544), (988, 81772), (1976, 40886), (3952, 20443)]