627032320

素因数分解:

$2^8\times 5^1\times {\mathrm{489869}}^1$

素因数の和:489890

約数の個数: 36

約数和(自身を含む): 1501941420

約数和(自身を除く): 874909100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 489869, 979738, 1959476, 2449345, 3918952, 4898690, 7837904, 9797380, 15675808, 19594760, 31351616, 39189520, 62703232, 78379040, 125406464, 156758080, 313516160, 627032320]

約数ペア:

[(1, 627032320), (2, 313516160), (4, 156758080), (5, 125406464), (8, 78379040), (10, 62703232), (16, 39189520), (20, 31351616), (32, 19594760), (40, 15675808), (64, 9797380), (80, 7837904), (128, 4898690), (160, 3918952), (256, 2449345), (320, 1959476), (640, 979738), (1280, 489869)]