7325720

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 16560720

約数和(自身を除く): 9235000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 491, 746, 982, 1492, 1865, 1964, 2455, 2984, 3730, 3928, 4910, 7460, 9820, 14920, 19640, 183143, 366286, 732572, 915715, 1465144, 1831430, 3662860, 7325720]

約数ペア:

[(1, 7325720), (2, 3662860), (4, 1831430), (5, 1465144), (8, 915715), (10, 732572), (20, 366286), (40, 183143), (373, 19640), (491, 14920), (746, 9820), (982, 7460), (1492, 4910), (1865, 3928), (1964, 3730), (2455, 2984)]