42687440

素因数分解:

$2^4\times 5^1\times {\mathrm{533593}}^1$

素因数の和:533606

約数の個数: 20

約数和(自身を含む): 99248484

約数和(自身を除く): 56561044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533593, 1067186, 2134372, 2667965, 4268744, 5335930, 8537488, 10671860, 21343720, 42687440]

約数ペア:

[(1, 42687440), (2, 21343720), (4, 10671860), (5, 8537488), (8, 5335930), (10, 4268744), (16, 2667965), (20, 2134372), (40, 1067186), (80, 533593)]