25407664

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{20101}}^1$

素因数の和:20188

約数の個数: 20

約数和(自身を含む): 49852960

約数和(自身を除く): 24445296

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 20101, 40202, 80404, 160808, 321616, 1587979, 3175958, 6351916, 12703832, 25407664]

約数ペア:

[(1, 25407664), (2, 12703832), (4, 6351916), (8, 3175958), (16, 1587979), (79, 321616), (158, 160808), (316, 80404), (632, 40202), (1264, 20101)]