70866640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68141}}^1$

素因数の和:68167

約数の個数: 40

約数和(自身を含む): 177441768

約数和(自身を除く): 106575128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68141, 136282, 272564, 340705, 545128, 681410, 885833, 1090256, 1362820, 1771666, 2725640, 3543332, 4429165, 5451280, 7086664, 8858330, 14173328, 17716660, 35433320, 70866640]

約数ペア:

[(1, 70866640), (2, 35433320), (4, 17716660), (5, 14173328), (8, 8858330), (10, 7086664), (13, 5451280), (16, 4429165), (20, 3543332), (26, 2725640), (40, 1771666), (52, 1362820), (65, 1090256), (80, 885833), (104, 681410), (130, 545128), (208, 340705), (260, 272564), (520, 136282), (1040, 68141)]