17680720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7621}}^1$

素因数の和:7663

約数の個数: 40

約数和(自身を含む): 42530760

約数和(自身を除く): 24850040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7621, 15242, 30484, 38105, 60968, 76210, 121936, 152420, 221009, 304840, 442018, 609680, 884036, 1105045, 1768072, 2210090, 3536144, 4420180, 8840360, 17680720]

約数ペア:

[(1, 17680720), (2, 8840360), (4, 4420180), (5, 3536144), (8, 2210090), (10, 1768072), (16, 1105045), (20, 884036), (29, 609680), (40, 442018), (58, 304840), (80, 221009), (116, 152420), (145, 121936), (232, 76210), (290, 60968), (464, 38105), (580, 30484), (1160, 15242), (2320, 7621)]