139407680

素因数分解:

$2^6\times 5^1\times {\mathrm{435649}}^1$

素因数の和:435666

約数の個数: 28

約数和(自身を含む): 331965300

約数和(自身を除く): 192557620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435649, 871298, 1742596, 2178245, 3485192, 4356490, 6970384, 8712980, 13940768, 17425960, 27881536, 34851920, 69703840, 139407680]

約数ペア:

[(1, 139407680), (2, 69703840), (4, 34851920), (5, 27881536), (8, 17425960), (10, 13940768), (16, 8712980), (20, 6970384), (32, 4356490), (40, 3485192), (64, 2178245), (80, 1742596), (160, 871298), (320, 435649)]