16912720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19219}}^1$

素因数の和:19243

約数の個数: 40

約数和(自身を含む): 42899040

約数和(自身を除く): 25986320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 19219, 38438, 76876, 96095, 153752, 192190, 211409, 307504, 384380, 422818, 768760, 845636, 1057045, 1537520, 1691272, 2114090, 3382544, 4228180, 8456360, 16912720]

約数ペア:

[(1, 16912720), (2, 8456360), (4, 4228180), (5, 3382544), (8, 2114090), (10, 1691272), (11, 1537520), (16, 1057045), (20, 845636), (22, 768760), (40, 422818), (44, 384380), (55, 307504), (80, 211409), (88, 192190), (110, 153752), (176, 96095), (220, 76876), (440, 38438), (880, 19219)]