16239380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 36457344

約数和(自身を除く): 20217964

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 821, 860, 989, 1642, 1978, 3284, 3956, 4105, 4945, 8210, 9890, 16420, 18883, 19780, 35303, 37766, 70606, 75532, 94415, 141212, 176515, 188830, 353030, 377660, 706060, 811969, 1623938, 3247876, 4059845, 8119690, 16239380]

約数ペア:

[(1, 16239380), (2, 8119690), (4, 4059845), (5, 3247876), (10, 1623938), (20, 811969), (23, 706060), (43, 377660), (46, 353030), (86, 188830), (92, 176515), (115, 141212), (172, 94415), (215, 75532), (230, 70606), (430, 37766), (460, 35303), (821, 19780), (860, 18883), (989, 16420), (1642, 9890), (1978, 8210), (3284, 4945), (3956, 4105)]