27947800

素因数分解:

$2^3\times 5^2\times {\mathrm{139739}}^1$

素因数の和:139755

約数の個数: 24

約数和(自身を含む): 64979100

約数和(自身を除く): 37031300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 139739, 279478, 558956, 698695, 1117912, 1397390, 2794780, 3493475, 5589560, 6986950, 13973900, 27947800]

約数ペア:

[(1, 27947800), (2, 13973900), (4, 6986950), (5, 5589560), (8, 3493475), (10, 2794780), (20, 1397390), (25, 1117912), (40, 698695), (50, 558956), (100, 279478), (200, 139739)]