81320650

素因数分解:

$2^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{9739}}^1$

素因数の和:9918

約数の個数: 24

約数和(自身を含む): 152177760

約数和(自身を除く): 70857110

約数列:

[1, 2, 5, 10, 25, 50, 167, 334, 835, 1670, 4175, 8350, 9739, 19478, 48695, 97390, 243475, 486950, 1626413, 3252826, 8132065, 16264130, 40660325, 81320650]

約数ペア:

[(1, 81320650), (2, 40660325), (5, 16264130), (10, 8132065), (25, 3252826), (50, 1626413), (167, 486950), (334, 243475), (835, 97390), (1670, 48695), (4175, 19478), (8350, 9739)]