30797680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6311}}^1$

素因数の和:6385

約数の個数: 40

約数和(自身を含む): 72789984

約数和(自身を除く): 41992304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6311, 12622, 25244, 31555, 50488, 63110, 100976, 126220, 252440, 384971, 504880, 769942, 1539884, 1924855, 3079768, 3849710, 6159536, 7699420, 15398840, 30797680]

約数ペア:

[(1, 30797680), (2, 15398840), (4, 7699420), (5, 6159536), (8, 3849710), (10, 3079768), (16, 1924855), (20, 1539884), (40, 769942), (61, 504880), (80, 384971), (122, 252440), (244, 126220), (305, 100976), (488, 63110), (610, 50488), (976, 31555), (1220, 25244), (2440, 12622), (4880, 6311)]