31492000

素因数分解:

$2^5\times 5^3\times {\mathrm{7873}}^1$

素因数の和:7898

約数の個数: 48

約数和(自身を含む): 77385672

約数和(自身を除く): 45893672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7873, 15746, 31492, 39365, 62984, 78730, 125968, 157460, 196825, 251936, 314920, 393650, 629840, 787300, 984125, 1259680, 1574600, 1968250, 3149200, 3936500, 6298400, 7873000, 15746000, 31492000]

約数ペア:

[(1, 31492000), (2, 15746000), (4, 7873000), (5, 6298400), (8, 3936500), (10, 3149200), (16, 1968250), (20, 1574600), (25, 1259680), (32, 984125), (40, 787300), (50, 629840), (80, 393650), (100, 314920), (125, 251936), (160, 196825), (200, 157460), (250, 125968), (400, 78730), (500, 62984), (800, 39365), (1000, 31492), (2000, 15746), (4000, 7873)]