16909640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38431}}^1$

素因数の和:38453

約数の個数: 32

約数和(自身を含む): 41506560

約数和(自身を除く): 24596920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38431, 76862, 153724, 192155, 307448, 384310, 422741, 768620, 845482, 1537240, 1690964, 2113705, 3381928, 4227410, 8454820, 16909640]

約数ペア:

[(1, 16909640), (2, 8454820), (4, 4227410), (5, 3381928), (8, 2113705), (10, 1690964), (11, 1537240), (20, 845482), (22, 768620), (40, 422741), (44, 384310), (55, 307448), (88, 192155), (110, 153724), (220, 76862), (440, 38431)]