161883560

素因数分解:

$2^3\times 5^1\times {\mathrm{4047089}}^1$

素因数の和:4047100

約数の個数: 16

約数和(自身を含む): 364238100

約数和(自身を除く): 202354540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4047089, 8094178, 16188356, 20235445, 32376712, 40470890, 80941780, 161883560]

約数ペア:

[(1, 161883560), (2, 80941780), (4, 40470890), (5, 32376712), (8, 20235445), (10, 16188356), (20, 8094178), (40, 4047089)]