87761540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 191646000

約数和(自身を除く): 103884460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 337, 449, 580, 674, 898, 1348, 1685, 1796, 2245, 3370, 4490, 6740, 8980, 9773, 13021, 19546, 26042, 39092, 48865, 52084, 65105, 97730, 130210, 151313, 195460, 260420, 302626, 605252, 756565, 1513130, 3026260, 4388077, 8776154, 17552308, 21940385, 43880770, 87761540]

約数ペア:

[(1, 87761540), (2, 43880770), (4, 21940385), (5, 17552308), (10, 8776154), (20, 4388077), (29, 3026260), (58, 1513130), (116, 756565), (145, 605252), (290, 302626), (337, 260420), (449, 195460), (580, 151313), (674, 130210), (898, 97730), (1348, 65105), (1685, 52084), (1796, 48865), (2245, 39092), (3370, 26042), (4490, 19546), (6740, 13021), (8980, 9773)]