13161205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4579595

約数列:

[1, 5, 19, 31, 41, 95, 109, 155, 205, 545, 589, 779, 1271, 2071, 2945, 3379, 3895, 4469, 6355, 10355, 16895, 22345, 24149, 64201, 84911, 120745, 138539, 321005, 424555, 692695, 2632241, 13161205]

約数ペア:

[(1, 13161205), (5, 2632241), (19, 692695), (31, 424555), (41, 321005), (95, 138539), (109, 120745), (155, 84911), (205, 64201), (545, 24149), (589, 22345), (779, 16895), (1271, 10355), (2071, 6355), (2945, 4469), (3379, 3895)]