55407280

素因数分解:

$2^4\times 5^1\times {\mathrm{692591}}^1$

素因数の和:692604

約数の個数: 20

約数和(自身を含む): 128822112

約数和(自身を除く): 73414832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 692591, 1385182, 2770364, 3462955, 5540728, 6925910, 11081456, 13851820, 27703640, 55407280]

約数ペア:

[(1, 55407280), (2, 27703640), (4, 13851820), (5, 11081456), (8, 6925910), (10, 5540728), (16, 3462955), (20, 2770364), (40, 1385182), (80, 692591)]