16355120

素因数分解:

$2^4\times 5^1\times {\mathrm{204439}}^1$

素因数の和:204452

約数の個数: 20

約数和(自身を含む): 38025840

約数和(自身を除く): 21670720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 204439, 408878, 817756, 1022195, 1635512, 2044390, 3271024, 4088780, 8177560, 16355120]

約数ペア:

[(1, 16355120), (2, 8177560), (4, 4088780), (5, 3271024), (8, 2044390), (10, 1635512), (16, 1022195), (20, 817756), (40, 408878), (80, 204439)]