2018287240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1627651}}^1$

素因数の和:1627693

約数の個数: 32

約数和(自身を含む): 4687637760

約数和(自身を除く): 2669350520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1627651, 3255302, 6510604, 8138255, 13021208, 16276510, 32553020, 50457181, 65106040, 100914362, 201828724, 252285905, 403657448, 504571810, 1009143620, 2018287240]

約数ペア:

[(1, 2018287240), (2, 1009143620), (4, 504571810), (5, 403657448), (8, 252285905), (10, 201828724), (20, 100914362), (31, 65106040), (40, 50457181), (62, 32553020), (124, 16276510), (155, 13021208), (248, 8138255), (310, 6510604), (620, 3255302), (1240, 1627651)]