86445560

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6949}}^1$

素因数の和:7271

約数の個数: 32

約数和(自身を含む): 195156000

約数和(自身を除く): 108710440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 6949, 12440, 13898, 27796, 34745, 55592, 69490, 138980, 277960, 2161139, 4322278, 8644556, 10805695, 17289112, 21611390, 43222780, 86445560]

約数ペア:

[(1, 86445560), (2, 43222780), (4, 21611390), (5, 17289112), (8, 10805695), (10, 8644556), (20, 4322278), (40, 2161139), (311, 277960), (622, 138980), (1244, 69490), (1555, 55592), (2488, 34745), (3110, 27796), (6220, 13898), (6949, 12440)]