16928720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3543

約数の個数: 40

約数和(自身を含む): 40016040

約数和(自身を除く): 23087320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3469, 4880, 6938, 13876, 17345, 27752, 34690, 55504, 69380, 138760, 211609, 277520, 423218, 846436, 1058045, 1692872, 2116090, 3385744, 4232180, 8464360, 16928720]

約数ペア:

[(1, 16928720), (2, 8464360), (4, 4232180), (5, 3385744), (8, 2116090), (10, 1692872), (16, 1058045), (20, 846436), (40, 423218), (61, 277520), (80, 211609), (122, 138760), (244, 69380), (305, 55504), (488, 34690), (610, 27752), (976, 17345), (1220, 13876), (2440, 6938), (3469, 4880)]