78414640

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1741}}^1$

素因数の和:2317

約数の個数: 40

約数和(自身を含む): 182742768

約数和(自身を除く): 104328128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1741, 2252, 2815, 3482, 4504, 5630, 6964, 8705, 9008, 11260, 13928, 17410, 22520, 27856, 34820, 45040, 69640, 139280, 980183, 1960366, 3920732, 4900915, 7841464, 9801830, 15682928, 19603660, 39207320, 78414640]

約数ペア:

[(1, 78414640), (2, 39207320), (4, 19603660), (5, 15682928), (8, 9801830), (10, 7841464), (16, 4900915), (20, 3920732), (40, 1960366), (80, 980183), (563, 139280), (1126, 69640), (1741, 45040), (2252, 34820), (2815, 27856), (3482, 22520), (4504, 17410), (5630, 13928), (6964, 11260), (8705, 9008)]