56447840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5055

約数の個数: 48

約数和(自身を含む): 135263520

約数和(自身を除く): 78815680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 4969, 5680, 9938, 11360, 19876, 24845, 39752, 49690, 79504, 99380, 159008, 198760, 352799, 397520, 705598, 795040, 1411196, 1763995, 2822392, 3527990, 5644784, 7055980, 11289568, 14111960, 28223920, 56447840]

約数ペア:

[(1, 56447840), (2, 28223920), (4, 14111960), (5, 11289568), (8, 7055980), (10, 5644784), (16, 3527990), (20, 2822392), (32, 1763995), (40, 1411196), (71, 795040), (80, 705598), (142, 397520), (160, 352799), (284, 198760), (355, 159008), (568, 99380), (710, 79504), (1136, 49690), (1420, 39752), (2272, 24845), (2840, 19876), (4969, 11360), (5680, 9938)]