79918160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142711}}^1$

素因数の和:142731

約数の個数: 40

約数和(自身を含む): 212355456

約数和(自身を除く): 132437296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142711, 285422, 570844, 713555, 998977, 1141688, 1427110, 1997954, 2283376, 2854220, 3995908, 4994885, 5708440, 7991816, 9989770, 11416880, 15983632, 19979540, 39959080, 79918160]

約数ペア:

[(1, 79918160), (2, 39959080), (4, 19979540), (5, 15983632), (7, 11416880), (8, 9989770), (10, 7991816), (14, 5708440), (16, 4994885), (20, 3995908), (28, 2854220), (35, 2283376), (40, 1997954), (56, 1427110), (70, 1141688), (80, 998977), (112, 713555), (140, 570844), (280, 285422), (560, 142711)]