25215536

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19949}}^1$

素因数の和:20036

約数の個数: 20

約数和(自身を含む): 49476000

約数和(自身を除く): 24260464

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19949, 39898, 79796, 159592, 319184, 1575971, 3151942, 6303884, 12607768, 25215536]

約数ペア:

[(1, 25215536), (2, 12607768), (4, 6303884), (8, 3151942), (16, 1575971), (79, 319184), (158, 159592), (316, 79796), (632, 39898), (1264, 19949)]