78522800

素因数分解:

$2^4\times 5^2\times {\mathrm{196307}}^1$

素因数の和:196325

約数の個数: 30

約数和(自身を含む): 188651988

約数和(自身を除く): 110129188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 196307, 392614, 785228, 981535, 1570456, 1963070, 3140912, 3926140, 4907675, 7852280, 9815350, 15704560, 19630700, 39261400, 78522800]

約数ペア:

[(1, 78522800), (2, 39261400), (4, 19630700), (5, 15704560), (8, 9815350), (10, 7852280), (16, 4907675), (20, 3926140), (25, 3140912), (40, 1963070), (50, 1570456), (80, 981535), (100, 785228), (200, 392614), (400, 196307)]