51344560

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2557}}^1$

素因数の和:2821

約数の個数: 40

約数和(自身を含む): 119898576

約数和(自身を除く): 68554016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 2557, 4016, 5020, 5114, 10040, 10228, 12785, 20080, 20456, 25570, 40912, 51140, 102280, 204560, 641807, 1283614, 2567228, 3209035, 5134456, 6418070, 10268912, 12836140, 25672280, 51344560]

約数ペア:

[(1, 51344560), (2, 25672280), (4, 12836140), (5, 10268912), (8, 6418070), (10, 5134456), (16, 3209035), (20, 2567228), (40, 1283614), (80, 641807), (251, 204560), (502, 102280), (1004, 51140), (1255, 40912), (2008, 25570), (2510, 20456), (2557, 20080), (4016, 12785), (5020, 10228), (5114, 10040)]