29125640

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3659}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 65880000

約数和(自身を除く): 36754360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3659, 3980, 7318, 7960, 14636, 18295, 29272, 36590, 73180, 146360, 728141, 1456282, 2912564, 3640705, 5825128, 7281410, 14562820, 29125640]

約数ペア:

[(1, 29125640), (2, 14562820), (4, 7281410), (5, 5825128), (8, 3640705), (10, 2912564), (20, 1456282), (40, 728141), (199, 146360), (398, 73180), (796, 36590), (995, 29272), (1592, 18295), (1990, 14636), (3659, 7960), (3980, 7318)]