126410380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{154159}}^1$

素因数の和:154209

約数の個数: 24

約数和(自身を含む): 271938240

約数和(自身を除く): 145527860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 154159, 308318, 616636, 770795, 1541590, 3083180, 6320519, 12641038, 25282076, 31602595, 63205190, 126410380]

約数ペア:

[(1, 126410380), (2, 63205190), (4, 31602595), (5, 25282076), (10, 12641038), (20, 6320519), (41, 3083180), (82, 1541590), (164, 770795), (205, 616636), (410, 308318), (820, 154159)]