13399960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47857}}^1$

素因数の和:47875

約数の個数: 32

約数和(自身を含む): 34457760

約数和(自身を除く): 21057800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47857, 95714, 191428, 239285, 334999, 382856, 478570, 669998, 957140, 1339996, 1674995, 1914280, 2679992, 3349990, 6699980, 13399960]

約数ペア:

[(1, 13399960), (2, 6699980), (4, 3349990), (5, 2679992), (7, 1914280), (8, 1674995), (10, 1339996), (14, 957140), (20, 669998), (28, 478570), (35, 382856), (40, 334999), (56, 239285), (70, 191428), (140, 95714), (280, 47857)]