90431440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{102763}}^1$

素因数の和:102787

約数の個数: 40

約数和(自身を含む): 229369248

約数和(自身を除く): 138937808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 102763, 205526, 411052, 513815, 822104, 1027630, 1130393, 1644208, 2055260, 2260786, 4110520, 4521572, 5651965, 8221040, 9043144, 11303930, 18086288, 22607860, 45215720, 90431440]

約数ペア:

[(1, 90431440), (2, 45215720), (4, 22607860), (5, 18086288), (8, 11303930), (10, 9043144), (11, 8221040), (16, 5651965), (20, 4521572), (22, 4110520), (40, 2260786), (44, 2055260), (55, 1644208), (80, 1130393), (88, 1027630), (110, 822104), (176, 513815), (220, 411052), (440, 205526), (880, 102763)]