10390820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 24167808

約数和(自身を除く): 13776988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 647, 730, 803, 1294, 1460, 1606, 2588, 3212, 3235, 4015, 6470, 7117, 8030, 12940, 14234, 16060, 28468, 35585, 47231, 71170, 94462, 142340, 188924, 236155, 472310, 519541, 944620, 1039082, 2078164, 2597705, 5195410, 10390820]

約数ペア:

[(1, 10390820), (2, 5195410), (4, 2597705), (5, 2078164), (10, 1039082), (11, 944620), (20, 519541), (22, 472310), (44, 236155), (55, 188924), (73, 142340), (110, 94462), (146, 71170), (220, 47231), (292, 35585), (365, 28468), (647, 16060), (730, 14234), (803, 12940), (1294, 8030), (1460, 7117), (1606, 6470), (2588, 4015), (3212, 3235)]