78329920

素因数分解:

$2^6\times 5^1\times {\mathrm{244781}}^1$

素因数の和:244798

約数の個数: 28

約数和(自身を含む): 186523884

約数和(自身を除く): 108193964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244781, 489562, 979124, 1223905, 1958248, 2447810, 3916496, 4895620, 7832992, 9791240, 15665984, 19582480, 39164960, 78329920]

約数ペア:

[(1, 78329920), (2, 39164960), (4, 19582480), (5, 15665984), (8, 9791240), (10, 7832992), (16, 4895620), (20, 3916496), (32, 2447810), (40, 1958248), (64, 1223905), (80, 979124), (160, 489562), (320, 244781)]