549380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 1243032

約数和(自身を除く): 693652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2113, 4226, 8452, 10565, 21130, 27469, 42260, 54938, 109876, 137345, 274690, 549380]

約数ペア:

[(1, 549380), (2, 274690), (4, 137345), (5, 109876), (10, 54938), (13, 42260), (20, 27469), (26, 21130), (52, 10565), (65, 8452), (130, 4226), (260, 2113)]