77888840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29063}}^1$

素因数の和:29141

約数の個数: 32

約数和(自身を含む): 177871680

約数和(自身を除く): 99982840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29063, 58126, 116252, 145315, 232504, 290630, 581260, 1162520, 1947221, 3894442, 7788884, 9736105, 15577768, 19472210, 38944420, 77888840]

約数ペア:

[(1, 77888840), (2, 38944420), (4, 19472210), (5, 15577768), (8, 9736105), (10, 7788884), (20, 3894442), (40, 1947221), (67, 1162520), (134, 581260), (268, 290630), (335, 232504), (536, 145315), (670, 116252), (1340, 58126), (2680, 29063)]