40491808

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 91748160

約数和(自身を除く): 51256352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 652, 1109, 1141, 1304, 2218, 2282, 2608, 4436, 4564, 5216, 7763, 8872, 9128, 15526, 17744, 18256, 31052, 35488, 36512, 62104, 124208, 180767, 248416, 361534, 723068, 1265369, 1446136, 2530738, 2892272, 5061476, 5784544, 10122952, 20245904, 40491808]

約数ペア:

[(1, 40491808), (2, 20245904), (4, 10122952), (7, 5784544), (8, 5061476), (14, 2892272), (16, 2530738), (28, 1446136), (32, 1265369), (56, 723068), (112, 361534), (163, 248416), (224, 180767), (326, 124208), (652, 62104), (1109, 36512), (1141, 35488), (1304, 31052), (2218, 18256), (2282, 17744), (2608, 15526), (4436, 9128), (4564, 8872), (5216, 7763)]