90842240

素因数分解:

$2^7\times 5^1\times {\mathrm{141941}}^1$

素因数の和:141960

約数の個数: 32

約数和(自身を含む): 217171260

約数和(自身を除く): 126329020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 141941, 283882, 567764, 709705, 1135528, 1419410, 2271056, 2838820, 4542112, 5677640, 9084224, 11355280, 18168448, 22710560, 45421120, 90842240]

約数ペア:

[(1, 90842240), (2, 45421120), (4, 22710560), (5, 18168448), (8, 11355280), (10, 9084224), (16, 5677640), (20, 4542112), (32, 2838820), (40, 2271056), (64, 1419410), (80, 1135528), (128, 709705), (160, 567764), (320, 283882), (640, 141941)]