40205216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 84369600

約数和(自身を除く): 44164384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 304, 356, 608, 712, 743, 1424, 1486, 1691, 2848, 2972, 3382, 5944, 6764, 11888, 13528, 14117, 23776, 27056, 28234, 54112, 56468, 66127, 112936, 132254, 225872, 264508, 451744, 529016, 1058032, 1256413, 2116064, 2512826, 5025652, 10051304, 20102608, 40205216]

約数ペア:

[(1, 40205216), (2, 20102608), (4, 10051304), (8, 5025652), (16, 2512826), (19, 2116064), (32, 1256413), (38, 1058032), (76, 529016), (89, 451744), (152, 264508), (178, 225872), (304, 132254), (356, 112936), (608, 66127), (712, 56468), (743, 54112), (1424, 28234), (1486, 27056), (1691, 23776), (2848, 14117), (2972, 13528), (3382, 11888), (5944, 6764)]