28996812025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{79427}}^1$

素因数の和:80313

約数の個数: 24

約数和(自身を含む): 38115908640

約数和(自身を除く): 9119096615

約数列:

[1, 5, 17, 25, 85, 425, 859, 4295, 14603, 21475, 73015, 79427, 365075, 397135, 1350259, 1985675, 6751295, 33756475, 68227793, 341138965, 1159872481, 1705694825, 5799362405, 28996812025]

約数ペア:

[(1, 28996812025), (5, 5799362405), (17, 1705694825), (25, 1159872481), (85, 341138965), (425, 68227793), (859, 33756475), (4295, 6751295), (14603, 1985675), (21475, 1350259), (73015, 397135), (79427, 365075)]