133020880

素因数分解:

$2^4\times 5^1\times {\mathrm{1662761}}^1$

素因数の和:1662774

約数の個数: 20

約数和(自身を含む): 309273732

約数和(自身を除く): 176252852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1662761, 3325522, 6651044, 8313805, 13302088, 16627610, 26604176, 33255220, 66510440, 133020880]

約数ペア:

[(1, 133020880), (2, 66510440), (4, 33255220), (5, 26604176), (8, 16627610), (10, 13302088), (16, 8313805), (20, 6651044), (40, 3325522), (80, 1662761)]