8419120

素因数分解:

$2^4\times 5^1\times {\mathrm{105239}}^1$

素因数の和:105252

約数の個数: 20

約数和(自身を含む): 19574640

約数和(自身を除く): 11155520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105239, 210478, 420956, 526195, 841912, 1052390, 1683824, 2104780, 4209560, 8419120]

約数ペア:

[(1, 8419120), (2, 4209560), (4, 2104780), (5, 1683824), (8, 1052390), (10, 841912), (16, 526195), (20, 420956), (40, 210478), (80, 105239)]