78440920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29269}}^1$

素因数の和:29347

約数の個数: 32

約数和(自身を含む): 179132400

約数和(自身を除く): 100691480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29269, 58538, 117076, 146345, 234152, 292690, 585380, 1170760, 1961023, 3922046, 7844092, 9805115, 15688184, 19610230, 39220460, 78440920]

約数ペア:

[(1, 78440920), (2, 39220460), (4, 19610230), (5, 15688184), (8, 9805115), (10, 7844092), (20, 3922046), (40, 1961023), (67, 1170760), (134, 585380), (268, 292690), (335, 234152), (536, 146345), (670, 117076), (1340, 58538), (2680, 29269)]