69616520

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2633}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 156933720

約数和(自身を除く): 87317200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2633, 2644, 3305, 5266, 5288, 6610, 10532, 13165, 13220, 21064, 26330, 26440, 52660, 105320, 1740413, 3480826, 6961652, 8702065, 13923304, 17404130, 34808260, 69616520]

約数ペア:

[(1, 69616520), (2, 34808260), (4, 17404130), (5, 13923304), (8, 8702065), (10, 6961652), (20, 3480826), (40, 1740413), (661, 105320), (1322, 52660), (2633, 26440), (2644, 26330), (3305, 21064), (5266, 13220), (5288, 13165), (6610, 10532)]