2005286720

素因数分解:

$2^6\times 5^1\times {\mathrm{6266521}}^1$

素因数の和:6266538

約数の個数: 28

約数和(自身を含む): 4775089764

約数和(自身を除く): 2769803044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6266521, 12533042, 25066084, 31332605, 50132168, 62665210, 100264336, 125330420, 200528672, 250660840, 401057344, 501321680, 1002643360, 2005286720]

約数ペア:

[(1, 2005286720), (2, 1002643360), (4, 501321680), (5, 401057344), (8, 250660840), (10, 200528672), (16, 125330420), (20, 100264336), (32, 62665210), (40, 50132168), (64, 31332605), (80, 25066084), (160, 12533042), (320, 6266521)]