42979280

素因数分解:

$2^4\times 5^1\times {\mathrm{537241}}^1$

素因数の和:537254

約数の個数: 20

約数和(自身を含む): 99927012

約数和(自身を除く): 56947732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 537241, 1074482, 2148964, 2686205, 4297928, 5372410, 8595856, 10744820, 21489640, 42979280]

約数ペア:

[(1, 42979280), (2, 21489640), (4, 10744820), (5, 8595856), (8, 5372410), (10, 4297928), (16, 2686205), (20, 2148964), (40, 1074482), (80, 537241)]