520010840

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{17497}}^1$

素因数の和:18251

約数の個数: 32

約数和(自身を含む): 1171666080

約数和(自身を除く): 651655240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2972, 3715, 5944, 7430, 14860, 17497, 29720, 34994, 69988, 87485, 139976, 174970, 349940, 699880, 13000271, 26000542, 52001084, 65001355, 104002168, 130002710, 260005420, 520010840]

約数ペア:

[(1, 520010840), (2, 260005420), (4, 130002710), (5, 104002168), (8, 65001355), (10, 52001084), (20, 26000542), (40, 13000271), (743, 699880), (1486, 349940), (2972, 174970), (3715, 139976), (5944, 87485), (7430, 69988), (14860, 34994), (17497, 29720)]