78199780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{66271}}^1$

素因数の和:66339

約数の個数: 24

約数和(自身を含む): 167005440

約数和(自身を除く): 88805660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 66271, 132542, 265084, 331355, 662710, 1325420, 3909989, 7819978, 15639956, 19549945, 39099890, 78199780]

約数ペア:

[(1, 78199780), (2, 39099890), (4, 19549945), (5, 15639956), (10, 7819978), (20, 3909989), (59, 1325420), (118, 662710), (236, 331355), (295, 265084), (590, 132542), (1180, 66271)]