138966400

素因数分解:

$2^7\times 5^2\times {\mathrm{43427}}^1$

素因数の和:43451

約数の個数: 48

約数和(自身を含む): 343298340

約数和(自身を除く): 204331940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 43427, 86854, 173708, 217135, 347416, 434270, 694832, 868540, 1085675, 1389664, 1737080, 2171350, 2779328, 3474160, 4342700, 5558656, 6948320, 8685400, 13896640, 17370800, 27793280, 34741600, 69483200, 138966400]

約数ペア:

[(1, 138966400), (2, 69483200), (4, 34741600), (5, 27793280), (8, 17370800), (10, 13896640), (16, 8685400), (20, 6948320), (25, 5558656), (32, 4342700), (40, 3474160), (50, 2779328), (64, 2171350), (80, 1737080), (100, 1389664), (128, 1085675), (160, 868540), (200, 694832), (320, 434270), (400, 347416), (640, 217135), (800, 173708), (1600, 86854), (3200, 43427)]