86386820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6269}}^1$

素因数の和:6344

約数の個数: 48

約数和(自身を含む): 199085040

約数和(自身を除く): 112698220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6269, 6890, 12538, 13780, 25076, 31345, 62690, 81497, 125380, 162994, 325988, 332257, 407485, 664514, 814970, 1329028, 1629940, 1661285, 3322570, 4319341, 6645140, 8638682, 17277364, 21596705, 43193410, 86386820]

約数ペア:

[(1, 86386820), (2, 43193410), (4, 21596705), (5, 17277364), (10, 8638682), (13, 6645140), (20, 4319341), (26, 3322570), (52, 1661285), (53, 1629940), (65, 1329028), (106, 814970), (130, 664514), (212, 407485), (260, 332257), (265, 325988), (530, 162994), (689, 125380), (1060, 81497), (1378, 62690), (2756, 31345), (3445, 25076), (6269, 13780), (6890, 12538)]