81466064

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{64451}}^1$

素因数の和:64538

約数の個数: 20

約数和(自身を含む): 159840960

約数和(自身を除く): 78374896

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 64451, 128902, 257804, 515608, 1031216, 5091629, 10183258, 20366516, 40733032, 81466064]

約数ペア:

[(1, 81466064), (2, 40733032), (4, 20366516), (8, 10183258), (16, 5091629), (79, 1031216), (158, 515608), (316, 257804), (632, 128902), (1264, 64451)]