2603900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 6088152

約数和(自身を除く): 3484252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2003, 4006, 8012, 10015, 20030, 26039, 40060, 50075, 52078, 100150, 104156, 130195, 200300, 260390, 520780, 650975, 1301950, 2603900]

約数ペア:

[(1, 2603900), (2, 1301950), (4, 650975), (5, 520780), (10, 260390), (13, 200300), (20, 130195), (25, 104156), (26, 100150), (50, 52078), (52, 50075), (65, 40060), (100, 26039), (130, 20030), (260, 10015), (325, 8012), (650, 4006), (1300, 2003)]