128545600

素因数分解:

$2^6\times 5^2\times {\mathrm{80341}}^1$

素因数の和:80363

約数の個数: 42

約数和(自身を含む): 316306454

約数和(自身を除く): 187760854

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 80341, 160682, 321364, 401705, 642728, 803410, 1285456, 1606820, 2008525, 2570912, 3213640, 4017050, 5141824, 6427280, 8034100, 12854560, 16068200, 25709120, 32136400, 64272800, 128545600]

約数ペア:

[(1, 128545600), (2, 64272800), (4, 32136400), (5, 25709120), (8, 16068200), (10, 12854560), (16, 8034100), (20, 6427280), (25, 5141824), (32, 4017050), (40, 3213640), (50, 2570912), (64, 2008525), (80, 1606820), (100, 1285456), (160, 803410), (200, 642728), (320, 401705), (400, 321364), (800, 160682), (1600, 80341)]