63948400

素因数分解:

$2^4\times 5^2\times {\mathrm{159871}}^1$

素因数の和:159889

約数の個数: 30

約数和(自身を含む): 153636992

約数和(自身を除く): 89688592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 159871, 319742, 639484, 799355, 1278968, 1598710, 2557936, 3197420, 3996775, 6394840, 7993550, 12789680, 15987100, 31974200, 63948400]

約数ペア:

[(1, 63948400), (2, 31974200), (4, 15987100), (5, 12789680), (8, 7993550), (10, 6394840), (16, 3996775), (20, 3197420), (25, 2557936), (40, 1598710), (50, 1278968), (80, 799355), (100, 639484), (200, 319742), (400, 159871)]