78162020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{66239}}^1$

素因数の和:66307

約数の個数: 24

約数和(自身を含む): 166924800

約数和(自身を除く): 88762780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 66239, 132478, 264956, 331195, 662390, 1324780, 3908101, 7816202, 15632404, 19540505, 39081010, 78162020]

約数ペア:

[(1, 78162020), (2, 39081010), (4, 19540505), (5, 15632404), (10, 7816202), (20, 3908101), (59, 1324780), (118, 662390), (236, 331195), (295, 264956), (590, 132478), (1180, 66239)]