81869590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7369}}^1$

素因数の和:7488

約数の個数: 32

約数和(自身を含む): 162375840

約数和(自身を除く): 80506250

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 7369, 11110, 14738, 36845, 73690, 81059, 162118, 405295, 744269, 810590, 1488538, 3721345, 7442690, 8186959, 16373918, 40934795, 81869590]

約数ペア:

[(1, 81869590), (2, 40934795), (5, 16373918), (10, 8186959), (11, 7442690), (22, 3721345), (55, 1488538), (101, 810590), (110, 744269), (202, 405295), (505, 162118), (1010, 81059), (1111, 73690), (2222, 36845), (5555, 14738), (7369, 11110)]