80040428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{709}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 152797680

約数和(自身を除く): 72757252

約数列:

[1, 2, 4, 13, 26, 52, 167, 169, 334, 338, 668, 676, 709, 1418, 2171, 2836, 4342, 8684, 9217, 18434, 28223, 36868, 56446, 112892, 118403, 119821, 236806, 239642, 473612, 479284, 1539239, 3078478, 6156956, 20010107, 40020214, 80040428]

約数ペア:

[(1, 80040428), (2, 40020214), (4, 20010107), (13, 6156956), (26, 3078478), (52, 1539239), (167, 479284), (169, 473612), (334, 239642), (338, 236806), (668, 119821), (676, 118403), (709, 112892), (1418, 56446), (2171, 36868), (2836, 28223), (4342, 18434), (8684, 9217)]