27902720

素因数分解:

$2^8\times 5^1\times {\mathrm{21799}}^1$

素因数の和:21820

約数の個数: 36

約数和(自身を含む): 66838800

約数和(自身を除く): 38936080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21799, 43598, 87196, 108995, 174392, 217990, 348784, 435980, 697568, 871960, 1395136, 1743920, 2790272, 3487840, 5580544, 6975680, 13951360, 27902720]

約数ペア:

[(1, 27902720), (2, 13951360), (4, 6975680), (5, 5580544), (8, 3487840), (10, 2790272), (16, 1743920), (20, 1395136), (32, 871960), (40, 697568), (64, 435980), (80, 348784), (128, 217990), (160, 174392), (256, 108995), (320, 87196), (640, 43598), (1280, 21799)]