25268624

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19991}}^1$

素因数の和:20078

約数の個数: 20

約数和(自身を含む): 49580160

約数和(自身を除く): 24311536

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19991, 39982, 79964, 159928, 319856, 1579289, 3158578, 6317156, 12634312, 25268624]

約数ペア:

[(1, 25268624), (2, 12634312), (4, 6317156), (8, 3158578), (16, 1579289), (79, 319856), (158, 159928), (316, 79964), (632, 39982), (1264, 19991)]