28907858120

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{468371}}^1$

素因数の和:469925

約数の個数: 32

約数和(自身を含む): 65084973120

約数和(自身を除く): 36177115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 6172, 7715, 12344, 15430, 30860, 61720, 468371, 936742, 1873484, 2341855, 3746968, 4683710, 9367420, 18734840, 722696453, 1445392906, 2890785812, 3613482265, 5781571624, 7226964530, 14453929060, 28907858120]

約数ペア:

[(1, 28907858120), (2, 14453929060), (4, 7226964530), (5, 5781571624), (8, 3613482265), (10, 2890785812), (20, 1445392906), (40, 722696453), (1543, 18734840), (3086, 9367420), (6172, 4683710), (7715, 3746968), (12344, 2341855), (15430, 1873484), (30860, 936742), (61720, 468371)]