72055960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41893}}^1$

素因数の和:41947

約数の個数: 32

約数和(自身を含む): 165900240

約数和(自身を除く): 93844280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41893, 83786, 167572, 209465, 335144, 418930, 837860, 1675720, 1801399, 3602798, 7205596, 9006995, 14411192, 18013990, 36027980, 72055960]

約数ペア:

[(1, 72055960), (2, 36027980), (4, 18013990), (5, 14411192), (8, 9006995), (10, 7205596), (20, 3602798), (40, 1801399), (43, 1675720), (86, 837860), (172, 418930), (215, 335144), (344, 209465), (430, 167572), (860, 83786), (1720, 41893)]