28042000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{2003}}^1$

素因数の和:2033

約数の個数: 80

約数和(自身を含む): 77530752

約数和(自身を除く): 49488752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2003, 2800, 3500, 4006, 7000, 8012, 10015, 14000, 14021, 16024, 20030, 28042, 32048, 40060, 50075, 56084, 70105, 80120, 100150, 112168, 140210, 160240, 200300, 224336, 250375, 280420, 350525, 400600, 500750, 560840, 701050, 801200, 1001500, 1121680, 1402100, 1752625, 2003000, 2804200, 3505250, 4006000, 5608400, 7010500, 14021000, 28042000]

約数ペア:

[(1, 28042000), (2, 14021000), (4, 7010500), (5, 5608400), (7, 4006000), (8, 3505250), (10, 2804200), (14, 2003000), (16, 1752625), (20, 1402100), (25, 1121680), (28, 1001500), (35, 801200), (40, 701050), (50, 560840), (56, 500750), (70, 400600), (80, 350525), (100, 280420), (112, 250375), (125, 224336), (140, 200300), (175, 160240), (200, 140210), (250, 112168), (280, 100150), (350, 80120), (400, 70105), (500, 56084), (560, 50075), (700, 40060), (875, 32048), (1000, 28042), (1400, 20030), (1750, 16024), (2000, 14021), (2003, 14000), (2800, 10015), (3500, 8012), (4006, 7000)]