2011580180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1\times {\mathrm{1301}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 4276507536

約数和(自身を除く): 2264927356

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 797, 970, 1301, 1594, 1940, 2602, 3188, 3985, 5204, 6505, 7970, 13010, 15940, 26020, 77309, 126197, 154618, 252394, 309236, 386545, 504788, 630985, 773090, 1036897, 1261970, 1546180, 2073794, 2523940, 4147588, 5184485, 10368970, 20737940, 100579009, 201158018, 402316036, 502895045, 1005790090, 2011580180]

約数ペア:

[(1, 2011580180), (2, 1005790090), (4, 502895045), (5, 402316036), (10, 201158018), (20, 100579009), (97, 20737940), (194, 10368970), (388, 5184485), (485, 4147588), (797, 2523940), (970, 2073794), (1301, 1546180), (1594, 1261970), (1940, 1036897), (2602, 773090), (3188, 630985), (3985, 504788), (5204, 386545), (6505, 309236), (7970, 252394), (13010, 154618), (15940, 126197), (26020, 77309)]