20174074880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3940249}}^1$

素因数の和:3940274

約数の個数: 44

約数和(自身を含む): 48394150500

約数和(自身を除く): 28220075620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 3940249, 7880498, 15760996, 19701245, 31521992, 39402490, 63043984, 78804980, 126087968, 157609960, 252175936, 315219920, 504351872, 630439840, 1008703744, 1260879680, 2017407488, 2521759360, 4034814976, 5043518720, 10087037440, 20174074880]

約数ペア:

[(1, 20174074880), (2, 10087037440), (4, 5043518720), (5, 4034814976), (8, 2521759360), (10, 2017407488), (16, 1260879680), (20, 1008703744), (32, 630439840), (40, 504351872), (64, 315219920), (80, 252175936), (128, 157609960), (160, 126087968), (256, 78804980), (320, 63043984), (512, 39402490), (640, 31521992), (1024, 19701245), (1280, 15760996), (2560, 7880498), (5120, 3940249)]