5178640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3439

約数の個数: 40

約数和(自身を含む): 12677760

約数和(自身を除く): 7499120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3407, 6814, 13628, 17035, 27256, 34070, 54512, 64733, 68140, 129466, 136280, 258932, 272560, 323665, 517864, 647330, 1035728, 1294660, 2589320, 5178640]

約数ペア:

[(1, 5178640), (2, 2589320), (4, 1294660), (5, 1035728), (8, 647330), (10, 517864), (16, 323665), (19, 272560), (20, 258932), (38, 136280), (40, 129466), (76, 68140), (80, 64733), (95, 54512), (152, 34070), (190, 27256), (304, 17035), (380, 13628), (760, 6814), (1520, 3407)]