54928520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33493}}^1$

素因数の和:33545

約数の個数: 32

約数和(自身を含む): 126607320

約数和(自身を除く): 71678800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 33493, 66986, 133972, 167465, 267944, 334930, 669860, 1339720, 1373213, 2746426, 5492852, 6866065, 10985704, 13732130, 27464260, 54928520]

約数ペア:

[(1, 54928520), (2, 27464260), (4, 13732130), (5, 10985704), (8, 6866065), (10, 5492852), (20, 2746426), (40, 1373213), (41, 1339720), (82, 669860), (164, 334930), (205, 267944), (328, 167465), (410, 133972), (820, 66986), (1640, 33493)]