20632000

素因数分解:

$2^6\times 5^3\times {\mathrm{2579}}^1$

素因数の和:2606

約数の個数: 56

約数和(自身を含む): 51114960

約数和(自身を除く): 30482960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2579, 4000, 5158, 8000, 10316, 12895, 20632, 25790, 41264, 51580, 64475, 82528, 103160, 128950, 165056, 206320, 257900, 322375, 412640, 515800, 644750, 825280, 1031600, 1289500, 2063200, 2579000, 4126400, 5158000, 10316000, 20632000]

約数ペア:

[(1, 20632000), (2, 10316000), (4, 5158000), (5, 4126400), (8, 2579000), (10, 2063200), (16, 1289500), (20, 1031600), (25, 825280), (32, 644750), (40, 515800), (50, 412640), (64, 322375), (80, 257900), (100, 206320), (125, 165056), (160, 128950), (200, 103160), (250, 82528), (320, 64475), (400, 51580), (500, 41264), (800, 25790), (1000, 20632), (1600, 12895), (2000, 10316), (2579, 8000), (4000, 5158)]