25628740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15439}}^1$

素因数の和:15531

約数の個数: 24

約数和(自身を含む): 54472320

約数和(自身を除く): 28843580

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15439, 30878, 61756, 77195, 154390, 308780, 1281437, 2562874, 5125748, 6407185, 12814370, 25628740]

約数ペア:

[(1, 25628740), (2, 12814370), (4, 6407185), (5, 5125748), (10, 2562874), (20, 1281437), (83, 308780), (166, 154390), (332, 77195), (415, 61756), (830, 30878), (1660, 15439)]