27886820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 63456960

約数和(自身を除く): 35570140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 379, 566, 758, 1132, 1415, 1516, 1895, 2830, 3679, 3790, 4927, 5660, 7358, 7580, 9854, 14716, 18395, 19708, 24635, 36790, 49270, 73580, 98540, 107257, 214514, 429028, 536285, 1072570, 1394341, 2145140, 2788682, 5577364, 6971705, 13943410, 27886820]

約数ペア:

[(1, 27886820), (2, 13943410), (4, 6971705), (5, 5577364), (10, 2788682), (13, 2145140), (20, 1394341), (26, 1072570), (52, 536285), (65, 429028), (130, 214514), (260, 107257), (283, 98540), (379, 73580), (566, 49270), (758, 36790), (1132, 24635), (1415, 19708), (1516, 18395), (1895, 14716), (2830, 9854), (3679, 7580), (3790, 7358), (4927, 5660)]