4098984980

素因数分解:

$2^2\times 5^1\times {\mathrm{9413}}^1\times {\mathrm{21773}}^1$

素因数の和:31195

約数の個数: 24

約数和(自身を含む): 8609178312

約数和(自身を除く): 4510193332

約数列:

[1, 2, 4, 5, 10, 20, 9413, 18826, 21773, 37652, 43546, 47065, 87092, 94130, 108865, 188260, 217730, 435460, 204949249, 409898498, 819796996, 1024746245, 2049492490, 4098984980]

約数ペア:

[(1, 4098984980), (2, 2049492490), (4, 1024746245), (5, 819796996), (10, 409898498), (20, 204949249), (9413, 435460), (18826, 217730), (21773, 188260), (37652, 108865), (43546, 94130), (47065, 87092)]