801200

素因数分解:

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

素因数の和:2021

約数の個数: 30

約数和(自身を含む): 1925844

約数和(自身を除く): 1124644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2003, 4006, 8012, 10015, 16024, 20030, 32048, 40060, 50075, 80120, 100150, 160240, 200300, 400600, 801200]

約数ペア:

[(1, 801200), (2, 400600), (4, 200300), (5, 160240), (8, 100150), (10, 80120), (16, 50075), (20, 40060), (25, 32048), (40, 20030), (50, 16024), (80, 10015), (100, 8012), (200, 4006), (400, 2003)]