80775136

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 172117008

約数和(自身を除く): 91341872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 281, 416, 562, 691, 1124, 1382, 2248, 2764, 3653, 4496, 5528, 7306, 8983, 8992, 11056, 14612, 17966, 22112, 29224, 35932, 58448, 71864, 116896, 143728, 194171, 287456, 388342, 776684, 1553368, 2524223, 3106736, 5048446, 6213472, 10096892, 20193784, 40387568, 80775136]

約数ペア:

[(1, 80775136), (2, 40387568), (4, 20193784), (8, 10096892), (13, 6213472), (16, 5048446), (26, 3106736), (32, 2524223), (52, 1553368), (104, 776684), (208, 388342), (281, 287456), (416, 194171), (562, 143728), (691, 116896), (1124, 71864), (1382, 58448), (2248, 35932), (2764, 29224), (3653, 22112), (4496, 17966), (5528, 14612), (7306, 11056), (8983, 8992)]