164442433220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20402287}}^1$

素因数の和:20402340

約数の個数: 48

約数和(自身を含む): 383889451008

約数和(自身を除く): 219447017788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 20402287, 40804574, 81609148, 102011435, 204022870, 265229731, 408045740, 530459462, 632470897, 1060918924, 1264941794, 1326148655, 2529883588, 2652297310, 3162354485, 5304594620, 6324708970, 8222121661, 12649417940, 16444243322, 32888486644, 41110608305, 82221216610, 164442433220]

約数ペア:

[(1, 164442433220), (2, 82221216610), (4, 41110608305), (5, 32888486644), (10, 16444243322), (13, 12649417940), (20, 8222121661), (26, 6324708970), (31, 5304594620), (52, 3162354485), (62, 2652297310), (65, 2529883588), (124, 1326148655), (130, 1264941794), (155, 1060918924), (260, 632470897), (310, 530459462), (403, 408045740), (620, 265229731), (806, 204022870), (1612, 102011435), (2015, 81609148), (4030, 40804574), (8060, 20402287)]