2003200

素因数分解:

$2^8\times 5^2\times {\mathrm{313}}^1$

素因数の和:339

約数の個数: 54

約数和(自身を含む): 4974074

約数和(自身を除く): 2970874

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 313, 320, 400, 626, 640, 800, 1252, 1280, 1565, 1600, 2504, 3130, 3200, 5008, 6260, 6400, 7825, 10016, 12520, 15650, 20032, 25040, 31300, 40064, 50080, 62600, 80128, 100160, 125200, 200320, 250400, 400640, 500800, 1001600, 2003200]

約数ペア:

[(1, 2003200), (2, 1001600), (4, 500800), (5, 400640), (8, 250400), (10, 200320), (16, 125200), (20, 100160), (25, 80128), (32, 62600), (40, 50080), (50, 40064), (64, 31300), (80, 25040), (100, 20032), (128, 15650), (160, 12520), (200, 10016), (256, 7825), (313, 6400), (320, 6260), (400, 5008), (626, 3200), (640, 3130), (800, 2504), (1252, 1600), (1280, 1565)]