56747860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 129668112

約数和(自身を除く): 72920252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2161, 2626, 4322, 5252, 6565, 8644, 10805, 13130, 21610, 26260, 28093, 43220, 56186, 112372, 140465, 218261, 280930, 436522, 561860, 873044, 1091305, 2182610, 2837393, 4365220, 5674786, 11349572, 14186965, 28373930, 56747860]

約数ペア:

[(1, 56747860), (2, 28373930), (4, 14186965), (5, 11349572), (10, 5674786), (13, 4365220), (20, 2837393), (26, 2182610), (52, 1091305), (65, 873044), (101, 561860), (130, 436522), (202, 280930), (260, 218261), (404, 140465), (505, 112372), (1010, 56186), (1313, 43220), (2020, 28093), (2161, 26260), (2626, 21610), (4322, 13130), (5252, 10805), (6565, 8644)]