57440720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7109}}^1$

素因数の和:7223

約数の個数: 40

約数和(自身を含む): 134890920

約数和(自身を除く): 77450200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 7109, 8080, 14218, 28436, 35545, 56872, 71090, 113744, 142180, 284360, 568720, 718009, 1436018, 2872036, 3590045, 5744072, 7180090, 11488144, 14360180, 28720360, 57440720]

約数ペア:

[(1, 57440720), (2, 28720360), (4, 14360180), (5, 11488144), (8, 7180090), (10, 5744072), (16, 3590045), (20, 2872036), (40, 1436018), (80, 718009), (101, 568720), (202, 284360), (404, 142180), (505, 113744), (808, 71090), (1010, 56872), (1616, 35545), (2020, 28436), (4040, 14218), (7109, 8080)]