84013960

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1607}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 189293760

約数和(自身を除く): 105279800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 1607, 2614, 3214, 5228, 6428, 6535, 8035, 10456, 12856, 13070, 16070, 26140, 32140, 52280, 64280, 2100349, 4200698, 8401396, 10501745, 16802792, 21003490, 42006980, 84013960]

約数ペア:

[(1, 84013960), (2, 42006980), (4, 21003490), (5, 16802792), (8, 10501745), (10, 8401396), (20, 4200698), (40, 2100349), (1307, 64280), (1607, 52280), (2614, 32140), (3214, 26140), (5228, 16070), (6428, 13070), (6535, 12856), (8035, 10456)]