27581240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2683}}^1$

素因数の和:2951

約数の個数: 32

約数和(自身を含む): 62322480

約数和(自身を除く): 34741240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2683, 5140, 5366, 10280, 10732, 13415, 21464, 26830, 53660, 107320, 689531, 1379062, 2758124, 3447655, 5516248, 6895310, 13790620, 27581240]

約数ペア:

[(1, 27581240), (2, 13790620), (4, 6895310), (5, 5516248), (8, 3447655), (10, 2758124), (20, 1379062), (40, 689531), (257, 107320), (514, 53660), (1028, 26830), (1285, 21464), (2056, 13415), (2570, 10732), (2683, 10280), (5140, 5366)]