40391964

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 105945840

約数和(自身を除く): 65553876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 97, 129, 172, 194, 258, 269, 291, 387, 388, 516, 538, 582, 774, 807, 873, 1076, 1164, 1548, 1614, 1746, 2421, 3228, 3492, 4171, 4842, 8342, 9684, 11567, 12513, 16684, 23134, 25026, 26093, 34701, 37539, 46268, 50052, 52186, 69402, 75078, 78279, 104103, 104372, 138804, 150156, 156558, 208206, 234837, 313116, 416412, 469674, 939348, 1121999, 2243998, 3365997, 4487996, 6731994, 10097991, 13463988, 20195982, 40391964]

約数ペア:

[(1, 40391964), (2, 20195982), (3, 13463988), (4, 10097991), (6, 6731994), (9, 4487996), (12, 3365997), (18, 2243998), (36, 1121999), (43, 939348), (86, 469674), (97, 416412), (129, 313116), (172, 234837), (194, 208206), (258, 156558), (269, 150156), (291, 138804), (387, 104372), (388, 104103), (516, 78279), (538, 75078), (582, 69402), (774, 52186), (807, 50052), (873, 46268), (1076, 37539), (1164, 34701), (1548, 26093), (1614, 25026), (1746, 23134), (2421, 16684), (3228, 12513), (3492, 11567), (4171, 9684), (4842, 8342)]