1871920

素因数分解:

$2^4\times 5^1\times {\mathrm{23399}}^1$

素因数の和:23412

約数の個数: 20

約数和(自身を含む): 4352400

約数和(自身を除く): 2480480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23399, 46798, 93596, 116995, 187192, 233990, 374384, 467980, 935960, 1871920]

約数ペア:

[(1, 1871920), (2, 935960), (4, 467980), (5, 374384), (8, 233990), (10, 187192), (16, 116995), (20, 93596), (40, 46798), (80, 23399)]