163977560

素因数分解:

$2^3\times 5^1\times {\mathrm{827}}^1\times {\mathrm{4957}}^1$

素因数の和:5795

約数の個数: 32

約数和(自身を含む): 369470160

約数和(自身を除く): 205492600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 827, 1654, 3308, 4135, 4957, 6616, 8270, 9914, 16540, 19828, 24785, 33080, 39656, 49570, 99140, 198280, 4099439, 8198878, 16397756, 20497195, 32795512, 40994390, 81988780, 163977560]

約数ペア:

[(1, 163977560), (2, 81988780), (4, 40994390), (5, 32795512), (8, 20497195), (10, 16397756), (20, 8198878), (40, 4099439), (827, 198280), (1654, 99140), (3308, 49570), (4135, 39656), (4957, 33080), (6616, 24785), (8270, 19828), (9914, 16540)]