22640320

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 56

約数和(自身を含む): 54406800

約数和(自身を除く): 31766480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 509, 556, 695, 1018, 1112, 1390, 2036, 2224, 2545, 2780, 4072, 4448, 5090, 5560, 8144, 8896, 10180, 11120, 16288, 20360, 22240, 32576, 40720, 44480, 70751, 81440, 141502, 162880, 283004, 353755, 566008, 707510, 1132016, 1415020, 2264032, 2830040, 4528064, 5660080, 11320160, 22640320]

約数ペア:

[(1, 22640320), (2, 11320160), (4, 5660080), (5, 4528064), (8, 2830040), (10, 2264032), (16, 1415020), (20, 1132016), (32, 707510), (40, 566008), (64, 353755), (80, 283004), (139, 162880), (160, 141502), (278, 81440), (320, 70751), (509, 44480), (556, 40720), (695, 32576), (1018, 22240), (1112, 20360), (1390, 16288), (2036, 11120), (2224, 10180), (2545, 8896), (2780, 8144), (4072, 5560), (4448, 5090)]