28513160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54833}}^1$

素因数の和:54857

約数の個数: 32

約数和(自身を含む): 69090840

約数和(自身を除く): 40577680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54833, 109666, 219332, 274165, 438664, 548330, 712829, 1096660, 1425658, 2193320, 2851316, 3564145, 5702632, 7128290, 14256580, 28513160]

約数ペア:

[(1, 28513160), (2, 14256580), (4, 7128290), (5, 5702632), (8, 3564145), (10, 2851316), (13, 2193320), (20, 1425658), (26, 1096660), (40, 712829), (52, 548330), (65, 438664), (104, 274165), (130, 219332), (260, 109666), (520, 54833)]