40390168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 94248000

約数和(自身を除く): 53857832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 109, 182, 218, 364, 436, 509, 728, 763, 872, 1018, 1417, 1526, 2036, 2834, 3052, 3563, 4072, 5668, 6104, 6617, 7126, 9919, 11336, 13234, 14252, 19838, 26468, 28504, 39676, 46319, 52936, 55481, 79352, 92638, 110962, 185276, 221924, 370552, 388367, 443848, 721253, 776734, 1442506, 1553468, 2885012, 3106936, 5048771, 5770024, 10097542, 20195084, 40390168]

約数ペア:

[(1, 40390168), (2, 20195084), (4, 10097542), (7, 5770024), (8, 5048771), (13, 3106936), (14, 2885012), (26, 1553468), (28, 1442506), (52, 776734), (56, 721253), (91, 443848), (104, 388367), (109, 370552), (182, 221924), (218, 185276), (364, 110962), (436, 92638), (509, 79352), (728, 55481), (763, 52936), (872, 46319), (1018, 39676), (1417, 28504), (1526, 26468), (2036, 19838), (2834, 14252), (3052, 13234), (3563, 11336), (4072, 9919), (5668, 7126), (6104, 6617)]