40638838

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 24

約数和(自身を含む): 64740816

約数和(自身を除く): 24101978

約数列:

[1, 2, 23, 46, 71, 142, 529, 541, 1058, 1082, 1633, 3266, 12443, 24886, 37559, 38411, 75118, 76822, 286189, 572378, 883453, 1766906, 20319419, 40638838]

約数ペア:

[(1, 40638838), (2, 20319419), (23, 1766906), (46, 883453), (71, 572378), (142, 286189), (529, 76822), (541, 75118), (1058, 38411), (1082, 37559), (1633, 24886), (3266, 12443)]