13456787440

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{499139}}^1$

素因数の和:499489

約数の個数: 40

約数和(自身を含む): 31379933520

約数和(自身を除く): 17923146080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 13480, 26960, 499139, 998278, 1996556, 2495695, 3993112, 4991390, 7986224, 9982780, 19965560, 39931120, 168209843, 336419686, 672839372, 841049215, 1345678744, 1682098430, 2691357488, 3364196860, 6728393720, 13456787440]

約数ペア:

[(1, 13456787440), (2, 6728393720), (4, 3364196860), (5, 2691357488), (8, 1682098430), (10, 1345678744), (16, 841049215), (20, 672839372), (40, 336419686), (80, 168209843), (337, 39931120), (674, 19965560), (1348, 9982780), (1685, 7986224), (2696, 4991390), (3370, 3993112), (5392, 2495695), (6740, 1996556), (13480, 998278), (26960, 499139)]