4640740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1373}}^1$

素因数の和:1408

約数の個数: 36

約数和(自身を含む): 10560564

約数和(自身を除く): 5919824

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1373, 1690, 2746, 3380, 5492, 6865, 13730, 17849, 27460, 35698, 71396, 89245, 178490, 232037, 356980, 464074, 928148, 1160185, 2320370, 4640740]

約数ペア:

[(1, 4640740), (2, 2320370), (4, 1160185), (5, 928148), (10, 464074), (13, 356980), (20, 232037), (26, 178490), (52, 89245), (65, 71396), (130, 35698), (169, 27460), (260, 17849), (338, 13730), (676, 6865), (845, 5492), (1373, 3380), (1690, 2746)]