90119440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6911}}^1$

素因数の和:7087

約数の個数: 40

約数和(自身を含む): 210843648

約数和(自身を除く): 120724208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 6911, 13040, 13822, 27644, 34555, 55288, 69110, 110576, 138220, 276440, 552880, 1126493, 2252986, 4505972, 5632465, 9011944, 11264930, 18023888, 22529860, 45059720, 90119440]

約数ペア:

[(1, 90119440), (2, 45059720), (4, 22529860), (5, 18023888), (8, 11264930), (10, 9011944), (16, 5632465), (20, 4505972), (40, 2252986), (80, 1126493), (163, 552880), (326, 276440), (652, 138220), (815, 110576), (1304, 69110), (1630, 55288), (2608, 34555), (3260, 27644), (6520, 13822), (6911, 13040)]