28943120

素因数分解:

$2^4\times 5^1\times {\mathrm{361789}}^1$

素因数の和:361802

約数の個数: 20

約数和(自身を含む): 67292940

約数和(自身を除く): 38349820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 361789, 723578, 1447156, 1808945, 2894312, 3617890, 5788624, 7235780, 14471560, 28943120]

約数ペア:

[(1, 28943120), (2, 14471560), (4, 7235780), (5, 5788624), (8, 3617890), (10, 2894312), (16, 1808945), (20, 1447156), (40, 723578), (80, 361789)]