51098800

素因数分解:

$2^4\times 5^2\times {\mathrm{127747}}^1$

素因数の和:127765

約数の個数: 30

約数和(自身を含む): 122765828

約数和(自身を除く): 71667028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 127747, 255494, 510988, 638735, 1021976, 1277470, 2043952, 2554940, 3193675, 5109880, 6387350, 10219760, 12774700, 25549400, 51098800]

約数ペア:

[(1, 51098800), (2, 25549400), (4, 12774700), (5, 10219760), (8, 6387350), (10, 5109880), (16, 3193675), (20, 2554940), (25, 2043952), (40, 1277470), (50, 1021976), (80, 638735), (100, 510988), (200, 255494), (400, 127747)]