51267560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14401}}^1$

素因数の和:14501

約数の個数: 32

約数和(自身を含む): 116656200

約数和(自身を除く): 65388640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14401, 28802, 57604, 72005, 115208, 144010, 288020, 576040, 1281689, 2563378, 5126756, 6408445, 10253512, 12816890, 25633780, 51267560]

約数ペア:

[(1, 51267560), (2, 25633780), (4, 12816890), (5, 10253512), (8, 6408445), (10, 5126756), (20, 2563378), (40, 1281689), (89, 576040), (178, 288020), (356, 144010), (445, 115208), (712, 72005), (890, 57604), (1780, 28802), (3560, 14401)]