78312320

素因数分解:

$2^7\times 5^1\times {\mathrm{122363}}^1$

素因数の和:122382

約数の個数: 32

約数和(自身を含む): 187216920

約数和(自身を除く): 108904600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 122363, 244726, 489452, 611815, 978904, 1223630, 1957808, 2447260, 3915616, 4894520, 7831232, 9789040, 15662464, 19578080, 39156160, 78312320]

約数ペア:

[(1, 78312320), (2, 39156160), (4, 19578080), (5, 15662464), (8, 9789040), (10, 7831232), (16, 4894520), (20, 3915616), (32, 2447260), (40, 1957808), (64, 1223630), (80, 978904), (128, 611815), (160, 489452), (320, 244726), (640, 122363)]