80664688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4909}}^1$

素因数の和:5009

約数の個数: 40

約数和(自身を含む): 170475200

約数和(自身を除く): 89810512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 4909, 8216, 9818, 16432, 19636, 39272, 63817, 78544, 127634, 255268, 387811, 510536, 775622, 1021072, 1551244, 3102488, 5041543, 6204976, 10083086, 20166172, 40332344, 80664688]

約数ペア:

[(1, 80664688), (2, 40332344), (4, 20166172), (8, 10083086), (13, 6204976), (16, 5041543), (26, 3102488), (52, 1551244), (79, 1021072), (104, 775622), (158, 510536), (208, 387811), (316, 255268), (632, 127634), (1027, 78544), (1264, 63817), (2054, 39272), (4108, 19636), (4909, 16432), (8216, 9818)]