28774640

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1433}}^1$

素因数の和:1697

約数の個数: 40

約数和(自身を含む): 67214448

約数和(自身を除く): 38439808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 1433, 2008, 2510, 2866, 4016, 5020, 5732, 7165, 10040, 11464, 14330, 20080, 22928, 28660, 57320, 114640, 359683, 719366, 1438732, 1798415, 2877464, 3596830, 5754928, 7193660, 14387320, 28774640]

約数ペア:

[(1, 28774640), (2, 14387320), (4, 7193660), (5, 5754928), (8, 3596830), (10, 2877464), (16, 1798415), (20, 1438732), (40, 719366), (80, 359683), (251, 114640), (502, 57320), (1004, 28660), (1255, 22928), (1433, 20080), (2008, 14330), (2510, 11464), (2866, 10040), (4016, 7165), (5020, 5732)]