20032000

素因数分解:

$2^9\times 5^3\times {\mathrm{313}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 50110632

約数和(自身を除く): 30078632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 313, 320, 400, 500, 512, 626, 640, 800, 1000, 1252, 1280, 1565, 1600, 2000, 2504, 2560, 3130, 3200, 4000, 5008, 6260, 6400, 7825, 8000, 10016, 12520, 12800, 15650, 16000, 20032, 25040, 31300, 32000, 39125, 40064, 50080, 62600, 64000, 78250, 80128, 100160, 125200, 156500, 160256, 200320, 250400, 313000, 400640, 500800, 626000, 801280, 1001600, 1252000, 2003200, 2504000, 4006400, 5008000, 10016000, 20032000]

約数ペア:

[(1, 20032000), (2, 10016000), (4, 5008000), (5, 4006400), (8, 2504000), (10, 2003200), (16, 1252000), (20, 1001600), (25, 801280), (32, 626000), (40, 500800), (50, 400640), (64, 313000), (80, 250400), (100, 200320), (125, 160256), (128, 156500), (160, 125200), (200, 100160), (250, 80128), (256, 78250), (313, 64000), (320, 62600), (400, 50080), (500, 40064), (512, 39125), (626, 32000), (640, 31300), (800, 25040), (1000, 20032), (1252, 16000), (1280, 15650), (1565, 12800), (1600, 12520), (2000, 10016), (2504, 8000), (2560, 7825), (3130, 6400), (3200, 6260), (4000, 5008)]