201880550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{51109}}^1$

素因数の和:51200

約数の個数: 24

約数和(自身を含む): 380258400

約数和(自身を除く): 178377850

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 51109, 102218, 255545, 511090, 1277725, 2555450, 4037611, 8075222, 20188055, 40376110, 100940275, 201880550]

約数ペア:

[(1, 201880550), (2, 100940275), (5, 40376110), (10, 20188055), (25, 8075222), (50, 4037611), (79, 2555450), (158, 1277725), (395, 511090), (790, 255545), (1975, 102218), (3950, 51109)]