64861760

素因数分解:

$2^6\times 5^1\times {\mathrm{202693}}^1$

素因数の和:202710

約数の個数: 28

約数和(自身を含む): 154452828

約数和(自身を除く): 89591068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 202693, 405386, 810772, 1013465, 1621544, 2026930, 3243088, 4053860, 6486176, 8107720, 12972352, 16215440, 32430880, 64861760]

約数ペア:

[(1, 64861760), (2, 32430880), (4, 16215440), (5, 12972352), (8, 8107720), (10, 6486176), (16, 4053860), (20, 3243088), (32, 2026930), (40, 1621544), (64, 1013465), (80, 810772), (160, 405386), (320, 202693)]