155004140

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{40577}}^1$

素因数の和:40777

約数の個数: 24

約数和(自身を含む): 327220992

約数和(自身を除く): 172216852

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 40577, 81154, 162308, 202885, 405770, 811540, 7750207, 15500414, 31000828, 38751035, 77502070, 155004140]

約数ペア:

[(1, 155004140), (2, 77502070), (4, 38751035), (5, 31000828), (10, 15500414), (20, 7750207), (191, 811540), (382, 405770), (764, 202885), (955, 162308), (1910, 81154), (3820, 40577)]