13487440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3181}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 31960008

約数和(自身を除く): 18472568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 3181, 4240, 6362, 12724, 15905, 25448, 31810, 50896, 63620, 127240, 168593, 254480, 337186, 674372, 842965, 1348744, 1685930, 2697488, 3371860, 6743720, 13487440]

約数ペア:

[(1, 13487440), (2, 6743720), (4, 3371860), (5, 2697488), (8, 1685930), (10, 1348744), (16, 842965), (20, 674372), (40, 337186), (53, 254480), (80, 168593), (106, 127240), (212, 63620), (265, 50896), (424, 31810), (530, 25448), (848, 15905), (1060, 12724), (2120, 6362), (3181, 4240)]