78023560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24691}}^1$

素因数の和:24781

約数の個数: 32

約数和(自身を含む): 177782400

約数和(自身を除く): 99758840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 24691, 49382, 98764, 123455, 197528, 246910, 493820, 987640, 1950589, 3901178, 7802356, 9752945, 15604712, 19505890, 39011780, 78023560]

約数ペア:

[(1, 78023560), (2, 39011780), (4, 19505890), (5, 15604712), (8, 9752945), (10, 7802356), (20, 3901178), (40, 1950589), (79, 987640), (158, 493820), (316, 246910), (395, 197528), (632, 123455), (790, 98764), (1580, 49382), (3160, 24691)]