200987960

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{6211}}^1$

素因数の和:7031

約数の個数: 32

約数和(自身を含む): 452854800

約数和(自身を除く): 251866840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6211, 6472, 8090, 12422, 16180, 24844, 31055, 32360, 49688, 62110, 124220, 248440, 5024699, 10049398, 20098796, 25123495, 40197592, 50246990, 100493980, 200987960]

約数ペア:

[(1, 200987960), (2, 100493980), (4, 50246990), (5, 40197592), (8, 25123495), (10, 20098796), (20, 10049398), (40, 5024699), (809, 248440), (1618, 124220), (3236, 62110), (4045, 49688), (6211, 32360), (6472, 31055), (8090, 24844), (12422, 16180)]