2697804920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1645003}}^1$

素因数の和:1645055

約数の個数: 32

約数和(自身を含む): 6218115120

約数和(自身を除く): 3520310200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1645003, 3290006, 6580012, 8225015, 13160024, 16450030, 32900060, 65800120, 67445123, 134890246, 269780492, 337225615, 539560984, 674451230, 1348902460, 2697804920]

約数ペア:

[(1, 2697804920), (2, 1348902460), (4, 674451230), (5, 539560984), (8, 337225615), (10, 269780492), (20, 134890246), (40, 67445123), (41, 65800120), (82, 32900060), (164, 16450030), (205, 13160024), (328, 8225015), (410, 6580012), (820, 3290006), (1640, 1645003)]