489017840

素因数分解:

$2^4\times 5^1\times {\mathrm{6112723}}^1$

素因数の和:6112736

約数の個数: 20

約数和(自身を含む): 1136966664

約数和(自身を除く): 647948824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6112723, 12225446, 24450892, 30563615, 48901784, 61127230, 97803568, 122254460, 244508920, 489017840]

約数ペア:

[(1, 489017840), (2, 244508920), (4, 122254460), (5, 97803568), (8, 61127230), (10, 48901784), (16, 30563615), (20, 24450892), (40, 12225446), (80, 6112723)]