1784167520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157057}}^1$

素因数の和:157143

約数の個数: 48

約数和(自身を含む): 4274490528

約数和(自身を除く): 2490323008

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, 5680, 11360, 157057, 314114, 628228, 785285, 1256456, 1570570, 2512912, 3141140, 5025824, 6282280, 11151047, 12564560, 22302094, 25129120, 44604188, 55755235, 89208376, 111510470, 178416752, 223020940, 356833504, 446041880, 892083760, 1784167520]

約数ペア:

[(1, 1784167520), (2, 892083760), (4, 446041880), (5, 356833504), (8, 223020940), (10, 178416752), (16, 111510470), (20, 89208376), (32, 55755235), (40, 44604188), (71, 25129120), (80, 22302094), (142, 12564560), (160, 11151047), (284, 6282280), (355, 5025824), (568, 3141140), (710, 2512912), (1136, 1570570), (1420, 1256456), (2272, 785285), (2840, 628228), (5680, 314114), (11360, 157057)]