25001392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120199}}^1$

素因数の和:120220

約数の個数: 20

約数和(自身を含む): 52166800

約数和(自身を除く): 27165408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120199, 240398, 480796, 961592, 1562587, 1923184, 3125174, 6250348, 12500696, 25001392]

約数ペア:

[(1, 25001392), (2, 12500696), (4, 6250348), (8, 3125174), (13, 1923184), (16, 1562587), (26, 961592), (52, 480796), (104, 240398), (208, 120199)]