90144760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77711}}^1$

素因数の和:77751

約数の個数: 32

約数和(自身を含む): 209822400

約数和(自身を除く): 119677640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77711, 155422, 310844, 388555, 621688, 777110, 1554220, 2253619, 3108440, 4507238, 9014476, 11268095, 18028952, 22536190, 45072380, 90144760]

約数ペア:

[(1, 90144760), (2, 45072380), (4, 22536190), (5, 18028952), (8, 11268095), (10, 9014476), (20, 4507238), (29, 3108440), (40, 2253619), (58, 1554220), (116, 777110), (145, 621688), (232, 388555), (290, 310844), (580, 155422), (1160, 77711)]