320427575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{4091}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 429774576

約数和(自身を除く): 109347001

約数列:

[1, 5, 13, 25, 65, 241, 325, 1205, 3133, 4091, 6025, 15665, 20455, 53183, 78325, 102275, 265915, 985931, 1329575, 4929655, 12817103, 24648275, 64085515, 320427575]

約数ペア:

[(1, 320427575), (5, 64085515), (13, 24648275), (25, 12817103), (65, 4929655), (241, 1329575), (325, 985931), (1205, 265915), (3133, 102275), (4091, 78325), (6025, 53183), (15665, 20455)]