25239344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121343}}^1$

素因数の和:121364

約数の個数: 20

約数和(自身を含む): 52663296

約数和(自身を除く): 27423952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121343, 242686, 485372, 970744, 1577459, 1941488, 3154918, 6309836, 12619672, 25239344]

約数ペア:

[(1, 25239344), (2, 12619672), (4, 6309836), (8, 3154918), (13, 1941488), (16, 1577459), (26, 970744), (52, 485372), (104, 242686), (208, 121343)]