56448340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 128419200

約数和(自身を除く): 71970860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1091, 1990, 2182, 2587, 3980, 4364, 5174, 5455, 10348, 10910, 12935, 14183, 21820, 25870, 28366, 51740, 56732, 70915, 141830, 217109, 283660, 434218, 868436, 1085545, 2171090, 2822417, 4342180, 5644834, 11289668, 14112085, 28224170, 56448340]

約数ペア:

[(1, 56448340), (2, 28224170), (4, 14112085), (5, 11289668), (10, 5644834), (13, 4342180), (20, 2822417), (26, 2171090), (52, 1085545), (65, 868436), (130, 434218), (199, 283660), (260, 217109), (398, 141830), (796, 70915), (995, 56732), (1091, 51740), (1990, 28366), (2182, 25870), (2587, 21820), (3980, 14183), (4364, 12935), (5174, 10910), (5455, 10348)]