12938860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 29981952

約数和(自身を除く): 17043092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 571, 1030, 1133, 1142, 2060, 2266, 2284, 2855, 4532, 5665, 5710, 6281, 11330, 11420, 12562, 22660, 25124, 31405, 58813, 62810, 117626, 125620, 235252, 294065, 588130, 646943, 1176260, 1293886, 2587772, 3234715, 6469430, 12938860]

約数ペア:

[(1, 12938860), (2, 6469430), (4, 3234715), (5, 2587772), (10, 1293886), (11, 1176260), (20, 646943), (22, 588130), (44, 294065), (55, 235252), (103, 125620), (110, 117626), (206, 62810), (220, 58813), (412, 31405), (515, 25124), (571, 22660), (1030, 12562), (1133, 11420), (1142, 11330), (2060, 6281), (2266, 5710), (2284, 5665), (2855, 4532)]