25152020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15919}}^1$

素因数の和:16007

約数の個数: 24

約数和(自身を含む): 53491200

約数和(自身を除く): 28339180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 15919, 31838, 63676, 79595, 159190, 318380, 1257601, 2515202, 5030404, 6288005, 12576010, 25152020]

約数ペア:

[(1, 25152020), (2, 12576010), (4, 6288005), (5, 5030404), (10, 2515202), (20, 1257601), (79, 318380), (158, 159190), (316, 79595), (395, 63676), (790, 31838), (1580, 15919)]