31669720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4019}}^1$

素因数の和:4227

約数の個数: 32

約数和(自身を含む): 71636400

約数和(自身を除く): 39966680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 4019, 7880, 8038, 16076, 20095, 32152, 40190, 80380, 160760, 791743, 1583486, 3166972, 3958715, 6333944, 7917430, 15834860, 31669720]

約数ペア:

[(1, 31669720), (2, 15834860), (4, 7917430), (5, 6333944), (8, 3958715), (10, 3166972), (20, 1583486), (40, 791743), (197, 160760), (394, 80380), (788, 40190), (985, 32152), (1576, 20095), (1970, 16076), (3940, 8038), (4019, 7880)]