5451940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1613}}^1$

素因数の和:1648

約数の個数: 36

約数和(自身を含む): 12405204

約数和(自身を除く): 6953264

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1613, 1690, 3226, 3380, 6452, 8065, 16130, 20969, 32260, 41938, 83876, 104845, 209690, 272597, 419380, 545194, 1090388, 1362985, 2725970, 5451940]

約数ペア:

[(1, 5451940), (2, 2725970), (4, 1362985), (5, 1090388), (10, 545194), (13, 419380), (20, 272597), (26, 209690), (52, 104845), (65, 83876), (130, 41938), (169, 32260), (260, 20969), (338, 16130), (676, 8065), (845, 6452), (1613, 3380), (1690, 3226)]