2504000

素因数分解:

$2^6\times 5^3\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 56

約数和(自身を含む): 6220968

約数和(自身を除く): 3716968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 313, 320, 400, 500, 626, 800, 1000, 1252, 1565, 1600, 2000, 2504, 3130, 4000, 5008, 6260, 7825, 8000, 10016, 12520, 15650, 20032, 25040, 31300, 39125, 50080, 62600, 78250, 100160, 125200, 156500, 250400, 313000, 500800, 626000, 1252000, 2504000]

約数ペア:

[(1, 2504000), (2, 1252000), (4, 626000), (5, 500800), (8, 313000), (10, 250400), (16, 156500), (20, 125200), (25, 100160), (32, 78250), (40, 62600), (50, 50080), (64, 39125), (80, 31300), (100, 25040), (125, 20032), (160, 15650), (200, 12520), (250, 10016), (313, 8000), (320, 7825), (400, 6260), (500, 5008), (626, 4000), (800, 3130), (1000, 2504), (1252, 2000), (1565, 1600)]