25237264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121333}}^1$

素因数の和:121354

約数の個数: 20

約数和(自身を含む): 52658956

約数和(自身を除く): 27421692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121333, 242666, 485332, 970664, 1577329, 1941328, 3154658, 6309316, 12618632, 25237264]

約数ペア:

[(1, 25237264), (2, 12618632), (4, 6309316), (8, 3154658), (13, 1941328), (16, 1577329), (26, 970664), (52, 485332), (104, 242666), (208, 121333)]