16402501975

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{120851}}^1$

素因数の和:121011

約数の個数: 24

約数和(自身を含む): 20904978960

約数和(自身を除く): 4502476985

約数列:

[1, 5, 25, 61, 89, 305, 445, 1525, 2225, 5429, 27145, 120851, 135725, 604255, 3021275, 7371911, 10755739, 36859555, 53778695, 184297775, 268893475, 656100079, 3280500395, 16402501975]

約数ペア:

[(1, 16402501975), (5, 3280500395), (25, 656100079), (61, 268893475), (89, 184297775), (305, 53778695), (445, 36859555), (1525, 10755739), (2225, 7371911), (5429, 3021275), (27145, 604255), (120851, 135725)]