419712560

素因数分解:

$2^4\times 5^1\times {\mathrm{5246407}}^1$

素因数の和:5246420

約数の個数: 20

約数和(自身を含む): 975831888

約数和(自身を除く): 556119328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5246407, 10492814, 20985628, 26232035, 41971256, 52464070, 83942512, 104928140, 209856280, 419712560]

約数ペア:

[(1, 419712560), (2, 209856280), (4, 104928140), (5, 83942512), (8, 52464070), (10, 41971256), (16, 26232035), (20, 20985628), (40, 10492814), (80, 5246407)]