40740728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 93173760

約数和(自身を除く): 52433032

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 56, 92, 94, 161, 184, 188, 322, 329, 376, 644, 658, 673, 1081, 1288, 1316, 1346, 2162, 2632, 2692, 4324, 4711, 5384, 7567, 8648, 9422, 15134, 15479, 18844, 30268, 30958, 31631, 37688, 60536, 61916, 63262, 108353, 123832, 126524, 216706, 221417, 253048, 433412, 442834, 727513, 866824, 885668, 1455026, 1771336, 2910052, 5092591, 5820104, 10185182, 20370364, 40740728]

約数ペア:

[(1, 40740728), (2, 20370364), (4, 10185182), (7, 5820104), (8, 5092591), (14, 2910052), (23, 1771336), (28, 1455026), (46, 885668), (47, 866824), (56, 727513), (92, 442834), (94, 433412), (161, 253048), (184, 221417), (188, 216706), (322, 126524), (329, 123832), (376, 108353), (644, 63262), (658, 61916), (673, 60536), (1081, 37688), (1288, 31631), (1316, 30958), (1346, 30268), (2162, 18844), (2632, 15479), (2692, 15134), (4324, 9422), (4711, 8648), (5384, 7567)]