78891160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29437}}^1$

素因数の和:29515

約数の個数: 32

約数和(自身を含む): 180160560

約数和(自身を除く): 101269400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29437, 58874, 117748, 147185, 235496, 294370, 588740, 1177480, 1972279, 3944558, 7889116, 9861395, 15778232, 19722790, 39445580, 78891160]

約数ペア:

[(1, 78891160), (2, 39445580), (4, 19722790), (5, 15778232), (8, 9861395), (10, 7889116), (20, 3944558), (40, 1972279), (67, 1177480), (134, 588740), (268, 294370), (335, 235496), (536, 147185), (670, 117748), (1340, 58874), (2680, 29437)]