51364120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8179}}^1$

素因数の和:8347

約数の個数: 32

約数和(自身を含む): 116319600

約数和(自身を除く): 64955480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 8179, 16358, 32716, 40895, 65432, 81790, 163580, 327160, 1284103, 2568206, 5136412, 6420515, 10272824, 12841030, 25682060, 51364120]

約数ペア:

[(1, 51364120), (2, 25682060), (4, 12841030), (5, 10272824), (8, 6420515), (10, 5136412), (20, 2568206), (40, 1284103), (157, 327160), (314, 163580), (628, 81790), (785, 65432), (1256, 40895), (1570, 32716), (3140, 16358), (6280, 8179)]