38138725

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 48780360

約数和(自身を除く): 10641635

約数列:

[1, 5, 25, 61, 89, 281, 305, 445, 1405, 1525, 2225, 5429, 7025, 17141, 25009, 27145, 85705, 125045, 135725, 428525, 625225, 1525549, 7627745, 38138725]

約数ペア:

[(1, 38138725), (5, 7627745), (25, 1525549), (61, 625225), (89, 428525), (281, 135725), (305, 125045), (445, 85705), (1405, 27145), (1525, 25009), (2225, 17141), (5429, 7025)]