389586160

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{11093}}^1$

素因数の和:11545

約数の個数: 40

約数和(自身を含む): 907932960

約数和(自身を除く): 518346800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 11093, 17560, 22186, 35120, 44372, 55465, 88744, 110930, 177488, 221860, 443720, 887440, 4869827, 9739654, 19479308, 24349135, 38958616, 48698270, 77917232, 97396540, 194793080, 389586160]

約数ペア:

[(1, 389586160), (2, 194793080), (4, 97396540), (5, 77917232), (8, 48698270), (10, 38958616), (16, 24349135), (20, 19479308), (40, 9739654), (80, 4869827), (439, 887440), (878, 443720), (1756, 221860), (2195, 177488), (3512, 110930), (4390, 88744), (7024, 55465), (8780, 44372), (11093, 35120), (17560, 22186)]